20121482430

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{10646287}}^1$

素因数の和:10646310

約数の個数: 64

約数和(自身を含む): 61322618880

約数和(自身を除く): 41201136450

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 90, 105, 126, 135, 189, 210, 270, 315, 378, 630, 945, 1890, 10646287, 21292574, 31938861, 53231435, 63877722, 74524009, 95816583, 106462870, 149048018, 159694305, 191633166, 223572027, 287449749, 319388610, 372620045, 447144054, 479082915, 574899498, 670716081, 745240090, 958165830, 1117860135, 1341432162, 1437248745, 2012148243, 2235720270, 2874497490, 3353580405, 4024296486, 6707160810, 10060741215, 20121482430]

約数ペア:

[(1, 20121482430), (2, 10060741215), (3, 6707160810), (5, 4024296486), (6, 3353580405), (7, 2874497490), (9, 2235720270), (10, 2012148243), (14, 1437248745), (15, 1341432162), (18, 1117860135), (21, 958165830), (27, 745240090), (30, 670716081), (35, 574899498), (42, 479082915), (45, 447144054), (54, 372620045), (63, 319388610), (70, 287449749), (90, 223572027), (105, 191633166), (126, 159694305), (135, 149048018), (189, 106462870), (210, 95816583), (270, 74524009), (315, 63877722), (378, 53231435), (630, 31938861), (945, 21292574), (1890, 10646287)]