20126376540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{1415357}}^1$

素因数の和:1415451

約数の個数: 72

約数和(自身を含む): 61822837440

約数和(自身を除く): 41696460900

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 79, 90, 158, 180, 237, 316, 395, 474, 711, 790, 948, 1185, 1422, 1580, 2370, 2844, 3555, 4740, 7110, 14220, 1415357, 2830714, 4246071, 5661428, 7076785, 8492142, 12738213, 14153570, 16984284, 21230355, 25476426, 28307140, 42460710, 50952852, 63691065, 84921420, 111813203, 127382130, 223626406, 254764260, 335439609, 447252812, 559066015, 670879218, 1006318827, 1118132030, 1341758436, 1677198045, 2012637654, 2236264060, 3354396090, 4025275308, 5031594135, 6708792180, 10063188270, 20126376540]

約数ペア:

[(1, 20126376540), (2, 10063188270), (3, 6708792180), (4, 5031594135), (5, 4025275308), (6, 3354396090), (9, 2236264060), (10, 2012637654), (12, 1677198045), (15, 1341758436), (18, 1118132030), (20, 1006318827), (30, 670879218), (36, 559066015), (45, 447252812), (60, 335439609), (79, 254764260), (90, 223626406), (158, 127382130), (180, 111813203), (237, 84921420), (316, 63691065), (395, 50952852), (474, 42460710), (711, 28307140), (790, 25476426), (948, 21230355), (1185, 16984284), (1422, 14153570), (1580, 12738213), (2370, 8492142), (2844, 7076785), (3555, 5661428), (4740, 4246071), (7110, 2830714), (14220, 1415357)]