20860860160

素因数分解:

$2^8\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{14461}}^1$

素因数の和:14519

約数の個数: 216

約数和(自身を含む): 60657793056

約数和(自身を除く): 39796932896

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 32, 35, 40, 46, 49, 56, 64, 70, 80, 92, 98, 112, 115, 128, 140, 160, 161, 184, 196, 224, 230, 245, 256, 280, 320, 322, 368, 392, 448, 460, 490, 560, 640, 644, 736, 784, 805, 896, 920, 980, 1120, 1127, 1280, 1288, 1472, 1568, 1610, 1792, 1840, 1960, 2240, 2254, 2576, 2944, 3136, 3220, 3680, 3920, 4480, 4508, 5152, 5635, 5888, 6272, 6440, 7360, 7840, 8960, 9016, 10304, 11270, 12544, 12880, 14461, 14720, 15680, 18032, 20608, 22540, 25760, 28922, 29440, 31360, 36064, 41216, 45080, 51520, 57844, 62720, 72128, 72305, 90160, 101227, 103040, 115688, 144256, 144610, 180320, 202454, 206080, 231376, 288512, 289220, 332603, 360640, 404908, 462752, 506135, 578440, 665206, 708589, 721280, 809816, 925504, 1012270, 1156880, 1330412, 1417178, 1442560, 1619632, 1663015, 1851008, 2024540, 2313760, 2328221, 2660824, 2834356, 3239264, 3326030, 3542945, 3702016, 4049080, 4627520, 4656442, 5321648, 5668712, 6478528, 6652060, 7085890, 8098160, 9255040, 9312884, 10643296, 11337424, 11641105, 12957056, 13304120, 14171780, 16196320, 16297547, 18510080, 18625768, 21286592, 22674848, 23282210, 25914112, 26608240, 28343560, 32392640, 32595094, 37251536, 42573184, 45349696, 46564420, 53216480, 56687120, 64785280, 65190188, 74503072, 81487735, 85146368, 90699392, 93128840, 106432960, 113374240, 129570560, 130380376, 149006144, 162975470, 181398784, 186257680, 212865920, 226748480, 260760752, 298012288, 325950940, 372515360, 425731840, 453496960, 521521504, 596024576, 651901880, 745030720, 906993920, 1043043008, 1303803760, 1490061440, 2086086016, 2607607520, 2980122880, 4172172032, 5215215040, 10430430080, 20860860160]

約数ペア:

[(1, 20860860160), (2, 10430430080), (4, 5215215040), (5, 4172172032), (7, 2980122880), (8, 2607607520), (10, 2086086016), (14, 1490061440), (16, 1303803760), (20, 1043043008), (23, 906993920), (28, 745030720), (32, 651901880), (35, 596024576), (40, 521521504), (46, 453496960), (49, 425731840), (56, 372515360), (64, 325950940), (70, 298012288), (80, 260760752), (92, 226748480), (98, 212865920), (112, 186257680), (115, 181398784), (128, 162975470), (140, 149006144), (160, 130380376), (161, 129570560), (184, 113374240), (196, 106432960), (224, 93128840), (230, 90699392), (245, 85146368), (256, 81487735), (280, 74503072), (320, 65190188), (322, 64785280), (368, 56687120), (392, 53216480), (448, 46564420), (460, 45349696), (490, 42573184), (560, 37251536), (640, 32595094), (644, 32392640), (736, 28343560), (784, 26608240), (805, 25914112), (896, 23282210), (920, 22674848), (980, 21286592), (1120, 18625768), (1127, 18510080), (1280, 16297547), (1288, 16196320), (1472, 14171780), (1568, 13304120), (1610, 12957056), (1792, 11641105), (1840, 11337424), (1960, 10643296), (2240, 9312884), (2254, 9255040), (2576, 8098160), (2944, 7085890), (3136, 6652060), (3220, 6478528), (3680, 5668712), (3920, 5321648), (4480, 4656442), (4508, 4627520), (5152, 4049080), (5635, 3702016), (5888, 3542945), (6272, 3326030), (6440, 3239264), (7360, 2834356), (7840, 2660824), (8960, 2328221), (9016, 2313760), (10304, 2024540), (11270, 1851008), (12544, 1663015), (12880, 1619632), (14461, 1442560), (14720, 1417178), (15680, 1330412), (18032, 1156880), (20608, 1012270), (22540, 925504), (25760, 809816), (28922, 721280), (29440, 708589), (31360, 665206), (36064, 578440), (41216, 506135), (45080, 462752), (51520, 404908), (57844, 360640), (62720, 332603), (72128, 289220), (72305, 288512), (90160, 231376), (101227, 206080), (103040, 202454), (115688, 180320), (144256, 144610)]