20780430

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{62971}}^1$

素因数の和:62992

約数の個数: 32

約数和(自身を含む): 54407808

約数和(自身を除く): 33627378

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 33, 55, 66, 110, 165, 330, 62971, 125942, 188913, 314855, 377826, 629710, 692681, 944565, 1385362, 1889130, 2078043, 3463405, 4156086, 6926810, 10390215, 20780430]

約数ペア:

[(1, 20780430), (2, 10390215), (3, 6926810), (5, 4156086), (6, 3463405), (10, 2078043), (11, 1889130), (15, 1385362), (22, 944565), (30, 692681), (33, 629710), (55, 377826), (66, 314855), (110, 188913), (165, 125942), (330, 62971)]