20696685

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{947}}^1$

素因数の和:1033

約数の個数: 32

約数和(自身を含む): 34947072

約数和(自身を除く): 14250387

約数列:

[1, 3, 5, 15, 31, 47, 93, 141, 155, 235, 465, 705, 947, 1457, 2841, 4371, 4735, 7285, 14205, 21855, 29357, 44509, 88071, 133527, 146785, 222545, 440355, 667635, 1379779, 4139337, 6898895, 20696685]

約数ペア:

[(1, 20696685), (3, 6898895), (5, 4139337), (15, 1379779), (31, 667635), (47, 440355), (93, 222545), (141, 146785), (155, 133527), (235, 88071), (465, 44509), (705, 29357), (947, 21855), (1457, 14205), (2841, 7285), (4371, 4735)]