20314548

素因数分解:

$2^2\times 3^2\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{167}}^1$

素因数の和:317

約数の個数: 72

約数和(自身を含む): 53813760

約数和(自身を除く): 33499212

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 31, 36, 62, 93, 109, 124, 167, 186, 218, 279, 327, 334, 372, 436, 501, 558, 654, 668, 981, 1002, 1116, 1308, 1503, 1962, 2004, 3006, 3379, 3924, 5177, 6012, 6758, 10137, 10354, 13516, 15531, 18203, 20274, 20708, 30411, 31062, 36406, 40548, 46593, 54609, 60822, 62124, 72812, 93186, 109218, 121644, 163827, 186372, 218436, 327654, 564293, 655308, 1128586, 1692879, 2257172, 3385758, 5078637, 6771516, 10157274, 20314548]

約数ペア:

[(1, 20314548), (2, 10157274), (3, 6771516), (4, 5078637), (6, 3385758), (9, 2257172), (12, 1692879), (18, 1128586), (31, 655308), (36, 564293), (62, 327654), (93, 218436), (109, 186372), (124, 163827), (167, 121644), (186, 109218), (218, 93186), (279, 72812), (327, 62124), (334, 60822), (372, 54609), (436, 46593), (501, 40548), (558, 36406), (654, 31062), (668, 30411), (981, 20708), (1002, 20274), (1116, 18203), (1308, 15531), (1503, 13516), (1962, 10354), (2004, 10137), (3006, 6758), (3379, 6012), (3924, 5177)]