20179380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{631}}^1$

素因数の和:697

約数の個数: 96

約数和(自身を含む): 62431488

約数和(自身を除く): 42252108

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 41, 52, 60, 65, 78, 82, 123, 130, 156, 164, 195, 205, 246, 260, 390, 410, 492, 533, 615, 631, 780, 820, 1066, 1230, 1262, 1599, 1893, 2132, 2460, 2524, 2665, 3155, 3198, 3786, 5330, 6310, 6396, 7572, 7995, 8203, 9465, 10660, 12620, 15990, 16406, 18930, 24609, 25871, 31980, 32812, 37860, 41015, 49218, 51742, 77613, 82030, 98436, 103484, 123045, 129355, 155226, 164060, 246090, 258710, 310452, 336323, 388065, 492180, 517420, 672646, 776130, 1008969, 1345292, 1552260, 1681615, 2017938, 3363230, 4035876, 5044845, 6726460, 10089690, 20179380]

約数ペア:

[(1, 20179380), (2, 10089690), (3, 6726460), (4, 5044845), (5, 4035876), (6, 3363230), (10, 2017938), (12, 1681615), (13, 1552260), (15, 1345292), (20, 1008969), (26, 776130), (30, 672646), (39, 517420), (41, 492180), (52, 388065), (60, 336323), (65, 310452), (78, 258710), (82, 246090), (123, 164060), (130, 155226), (156, 129355), (164, 123045), (195, 103484), (205, 98436), (246, 82030), (260, 77613), (390, 51742), (410, 49218), (492, 41015), (533, 37860), (615, 32812), (631, 31980), (780, 25871), (820, 24609), (1066, 18930), (1230, 16406), (1262, 15990), (1599, 12620), (1893, 10660), (2132, 9465), (2460, 8203), (2524, 7995), (2665, 7572), (3155, 6396), (3198, 6310), (3786, 5330)]