20290620

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{48311}}^1$

素因数の和:48330

約数の個数: 48

約数和(自身を含む): 64931328

約数和(自身を除く): 44640708

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 48311, 96622, 144933, 193244, 241555, 289866, 338177, 483110, 579732, 676354, 724665, 966220, 1014531, 1352708, 1449330, 1690885, 2029062, 2898660, 3381770, 4058124, 5072655, 6763540, 10145310, 20290620]

約数ペア:

[(1, 20290620), (2, 10145310), (3, 6763540), (4, 5072655), (5, 4058124), (6, 3381770), (7, 2898660), (10, 2029062), (12, 1690885), (14, 1449330), (15, 1352708), (20, 1014531), (21, 966220), (28, 724665), (30, 676354), (35, 579732), (42, 483110), (60, 338177), (70, 289866), (84, 241555), (105, 193244), (140, 144933), (210, 96622), (420, 48311)]