20145352480

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{6053}}^1$

素因数の和:6171

約数の個数: 192

約数和(自身を含む): 54482512896

約数和(自身を除く): 34337160416

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 32, 40, 44, 55, 61, 62, 80, 88, 110, 122, 124, 155, 160, 176, 220, 244, 248, 305, 310, 341, 352, 440, 488, 496, 610, 620, 671, 682, 880, 976, 992, 1220, 1240, 1342, 1364, 1705, 1760, 1891, 1952, 2440, 2480, 2684, 2728, 3355, 3410, 3782, 4880, 4960, 5368, 5456, 6053, 6710, 6820, 7564, 9455, 9760, 10736, 10912, 12106, 13420, 13640, 15128, 18910, 20801, 21472, 24212, 26840, 27280, 30256, 30265, 37820, 41602, 48424, 53680, 54560, 60512, 60530, 66583, 75640, 83204, 96848, 104005, 107360, 121060, 133166, 151280, 166408, 187643, 193696, 208010, 242120, 266332, 302560, 332816, 332915, 369233, 375286, 416020, 484240, 532664, 665632, 665830, 738466, 750572, 832040, 938215, 968480, 1065328, 1331660, 1476932, 1501144, 1664080, 1846165, 1876430, 2064073, 2130656, 2663320, 2953864, 3002288, 3328160, 3692330, 3752860, 4061563, 4128146, 5326640, 5907728, 6004576, 7384660, 7505720, 8123126, 8256292, 10320365, 10653280, 11446223, 11815456, 14769320, 15011440, 16246252, 16512584, 20307815, 20640730, 22892446, 29538640, 30022880, 32492504, 33025168, 40615630, 41281460, 45784892, 57231115, 59077280, 64985008, 66050336, 81231260, 82562920, 91569784, 114462230, 125908453, 129970016, 162462520, 165125840, 183139568, 228924460, 251816906, 324925040, 330251680, 366279136, 457848920, 503633812, 629542265, 649850080, 915697840, 1007267624, 1259084530, 1831395680, 2014535248, 2518169060, 4029070496, 5036338120, 10072676240, 20145352480]

約数ペア:

[(1, 20145352480), (2, 10072676240), (4, 5036338120), (5, 4029070496), (8, 2518169060), (10, 2014535248), (11, 1831395680), (16, 1259084530), (20, 1007267624), (22, 915697840), (31, 649850080), (32, 629542265), (40, 503633812), (44, 457848920), (55, 366279136), (61, 330251680), (62, 324925040), (80, 251816906), (88, 228924460), (110, 183139568), (122, 165125840), (124, 162462520), (155, 129970016), (160, 125908453), (176, 114462230), (220, 91569784), (244, 82562920), (248, 81231260), (305, 66050336), (310, 64985008), (341, 59077280), (352, 57231115), (440, 45784892), (488, 41281460), (496, 40615630), (610, 33025168), (620, 32492504), (671, 30022880), (682, 29538640), (880, 22892446), (976, 20640730), (992, 20307815), (1220, 16512584), (1240, 16246252), (1342, 15011440), (1364, 14769320), (1705, 11815456), (1760, 11446223), (1891, 10653280), (1952, 10320365), (2440, 8256292), (2480, 8123126), (2684, 7505720), (2728, 7384660), (3355, 6004576), (3410, 5907728), (3782, 5326640), (4880, 4128146), (4960, 4061563), (5368, 3752860), (5456, 3692330), (6053, 3328160), (6710, 3002288), (6820, 2953864), (7564, 2663320), (9455, 2130656), (9760, 2064073), (10736, 1876430), (10912, 1846165), (12106, 1664080), (13420, 1501144), (13640, 1476932), (15128, 1331660), (18910, 1065328), (20801, 968480), (21472, 938215), (24212, 832040), (26840, 750572), (27280, 738466), (30256, 665830), (30265, 665632), (37820, 532664), (41602, 484240), (48424, 416020), (53680, 375286), (54560, 369233), (60512, 332915), (60530, 332816), (66583, 302560), (75640, 266332), (83204, 242120), (96848, 208010), (104005, 193696), (107360, 187643), (121060, 166408), (133166, 151280)]