20100465

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{5801}}^1$

素因数の和:5830

約数の個数: 48

約数和(自身を含む): 43445376

約数和(自身を除く): 23344911

約数列:

[1, 3, 5, 7, 9, 11, 15, 21, 33, 35, 45, 55, 63, 77, 99, 105, 165, 231, 315, 385, 495, 693, 1155, 3465, 5801, 17403, 29005, 40607, 52209, 63811, 87015, 121821, 191433, 203035, 261045, 319055, 365463, 446677, 574299, 609105, 957165, 1340031, 1827315, 2233385, 2871495, 4020093, 6700155, 20100465]

約数ペア:

[(1, 20100465), (3, 6700155), (5, 4020093), (7, 2871495), (9, 2233385), (11, 1827315), (15, 1340031), (21, 957165), (33, 609105), (35, 574299), (45, 446677), (55, 365463), (63, 319055), (77, 261045), (99, 203035), (105, 191433), (165, 121821), (231, 87015), (315, 63811), (385, 52209), (495, 40607), (693, 29005), (1155, 17403), (3465, 5801)]