20843520

素因数分解:

$2^{10}\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1$

素因数の和:110

約数の個数: 176

約数和(自身を含む): 70744320

約数和(自身を除く): 49900800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 32, 40, 46, 48, 59, 60, 64, 69, 80, 92, 96, 115, 118, 120, 128, 138, 160, 177, 184, 192, 230, 236, 240, 256, 276, 295, 320, 345, 354, 368, 384, 460, 472, 480, 512, 552, 590, 640, 690, 708, 736, 768, 885, 920, 944, 960, 1024, 1104, 1180, 1280, 1357, 1380, 1416, 1472, 1536, 1770, 1840, 1888, 1920, 2208, 2360, 2560, 2714, 2760, 2832, 2944, 3072, 3540, 3680, 3776, 3840, 4071, 4416, 4720, 5120, 5428, 5520, 5664, 5888, 6785, 7080, 7360, 7552, 7680, 8142, 8832, 9440, 10856, 11040, 11328, 11776, 13570, 14160, 14720, 15104, 15360, 16284, 17664, 18880, 20355, 21712, 22080, 22656, 23552, 27140, 28320, 29440, 30208, 32568, 35328, 37760, 40710, 43424, 44160, 45312, 54280, 56640, 58880, 60416, 65136, 70656, 75520, 81420, 86848, 88320, 90624, 108560, 113280, 117760, 130272, 151040, 162840, 173696, 176640, 181248, 217120, 226560, 260544, 302080, 325680, 347392, 353280, 434240, 453120, 521088, 651360, 694784, 868480, 906240, 1042176, 1302720, 1389568, 1736960, 2084352, 2605440, 3473920, 4168704, 5210880, 6947840, 10421760, 20843520]

約数ペア:

[(1, 20843520), (2, 10421760), (3, 6947840), (4, 5210880), (5, 4168704), (6, 3473920), (8, 2605440), (10, 2084352), (12, 1736960), (15, 1389568), (16, 1302720), (20, 1042176), (23, 906240), (24, 868480), (30, 694784), (32, 651360), (40, 521088), (46, 453120), (48, 434240), (59, 353280), (60, 347392), (64, 325680), (69, 302080), (80, 260544), (92, 226560), (96, 217120), (115, 181248), (118, 176640), (120, 173696), (128, 162840), (138, 151040), (160, 130272), (177, 117760), (184, 113280), (192, 108560), (230, 90624), (236, 88320), (240, 86848), (256, 81420), (276, 75520), (295, 70656), (320, 65136), (345, 60416), (354, 58880), (368, 56640), (384, 54280), (460, 45312), (472, 44160), (480, 43424), (512, 40710), (552, 37760), (590, 35328), (640, 32568), (690, 30208), (708, 29440), (736, 28320), (768, 27140), (885, 23552), (920, 22656), (944, 22080), (960, 21712), (1024, 20355), (1104, 18880), (1180, 17664), (1280, 16284), (1357, 15360), (1380, 15104), (1416, 14720), (1472, 14160), (1536, 13570), (1770, 11776), (1840, 11328), (1888, 11040), (1920, 10856), (2208, 9440), (2360, 8832), (2560, 8142), (2714, 7680), (2760, 7552), (2832, 7360), (2944, 7080), (3072, 6785), (3540, 5888), (3680, 5664), (3776, 5520), (3840, 5428), (4071, 5120), (4416, 4720)]