20733720

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{24683}}^1$

素因数の和:24704

約数の個数: 64

約数和(自身を含む): 71089920

約数和(自身を除く): 50356200

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 24683, 49366, 74049, 98732, 123415, 148098, 172781, 197464, 246830, 296196, 345562, 370245, 493660, 518343, 592392, 691124, 740490, 863905, 987320, 1036686, 1382248, 1480980, 1727810, 2073372, 2591715, 2961960, 3455620, 4146744, 5183430, 6911240, 10366860, 20733720]

約数ペア:

[(1, 20733720), (2, 10366860), (3, 6911240), (4, 5183430), (5, 4146744), (6, 3455620), (7, 2961960), (8, 2591715), (10, 2073372), (12, 1727810), (14, 1480980), (15, 1382248), (20, 1036686), (21, 987320), (24, 863905), (28, 740490), (30, 691124), (35, 592392), (40, 518343), (42, 493660), (56, 370245), (60, 345562), (70, 296196), (84, 246830), (105, 197464), (120, 172781), (140, 148098), (168, 123415), (210, 98732), (280, 74049), (420, 49366), (840, 24683)]