20442030

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{311}}^1\times {\mathrm{313}}^1$

素因数の和:641

約数の個数: 64

約数和(自身を含む): 56429568

約数和(自身を除く): 35987538

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 311, 313, 622, 626, 933, 939, 1555, 1565, 1866, 1878, 2177, 2191, 3110, 3130, 4354, 4382, 4665, 4695, 6531, 6573, 9330, 9390, 10885, 10955, 13062, 13146, 21770, 21910, 32655, 32865, 65310, 65730, 97343, 194686, 292029, 486715, 584058, 681401, 973430, 1362802, 1460145, 2044203, 2920290, 3407005, 4088406, 6814010, 10221015, 20442030]

約数ペア:

[(1, 20442030), (2, 10221015), (3, 6814010), (5, 4088406), (6, 3407005), (7, 2920290), (10, 2044203), (14, 1460145), (15, 1362802), (21, 973430), (30, 681401), (35, 584058), (42, 486715), (70, 292029), (105, 194686), (210, 97343), (311, 65730), (313, 65310), (622, 32865), (626, 32655), (933, 21910), (939, 21770), (1555, 13146), (1565, 13062), (1866, 10955), (1878, 10885), (2177, 9390), (2191, 9330), (3110, 6573), (3130, 6531), (4354, 4695), (4382, 4665)]