20258240

素因数分解:

$2^6\times 5^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1$

素因数の和:142

約数の個数: 112

約数和(自身を含む): 52120800

約数和(自身を除く): 31862560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 37, 40, 58, 59, 64, 74, 80, 116, 118, 145, 148, 160, 185, 232, 236, 290, 295, 296, 320, 370, 464, 472, 580, 590, 592, 740, 928, 944, 1073, 1160, 1180, 1184, 1480, 1711, 1856, 1888, 2146, 2183, 2320, 2360, 2368, 2960, 3422, 3776, 4292, 4366, 4640, 4720, 5365, 5920, 6844, 8555, 8584, 8732, 9280, 9440, 10730, 10915, 11840, 13688, 17110, 17168, 17464, 18880, 21460, 21830, 27376, 34220, 34336, 34928, 42920, 43660, 54752, 63307, 68440, 68672, 69856, 85840, 87320, 109504, 126614, 136880, 139712, 171680, 174640, 253228, 273760, 316535, 343360, 349280, 506456, 547520, 633070, 698560, 1012912, 1266140, 2025824, 2532280, 4051648, 5064560, 10129120, 20258240]

約数ペア:

[(1, 20258240), (2, 10129120), (4, 5064560), (5, 4051648), (8, 2532280), (10, 2025824), (16, 1266140), (20, 1012912), (29, 698560), (32, 633070), (37, 547520), (40, 506456), (58, 349280), (59, 343360), (64, 316535), (74, 273760), (80, 253228), (116, 174640), (118, 171680), (145, 139712), (148, 136880), (160, 126614), (185, 109504), (232, 87320), (236, 85840), (290, 69856), (295, 68672), (296, 68440), (320, 63307), (370, 54752), (464, 43660), (472, 42920), (580, 34928), (590, 34336), (592, 34220), (740, 27376), (928, 21830), (944, 21460), (1073, 18880), (1160, 17464), (1180, 17168), (1184, 17110), (1480, 13688), (1711, 11840), (1856, 10915), (1888, 10730), (2146, 9440), (2183, 9280), (2320, 8732), (2360, 8584), (2368, 8555), (2960, 6844), (3422, 5920), (3776, 5365), (4292, 4720), (4366, 4640)]