20274372

素因数分解:

$2^2\times 3^2\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{491}}^1$

素因数の和:569

約数の個数: 72

約数和(自身を含む): 54442752

約数和(自身を除く): 34168380

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 31, 36, 37, 62, 74, 93, 111, 124, 148, 186, 222, 279, 333, 372, 444, 491, 558, 666, 982, 1116, 1147, 1332, 1473, 1964, 2294, 2946, 3441, 4419, 4588, 5892, 6882, 8838, 10323, 13764, 15221, 17676, 18167, 20646, 30442, 36334, 41292, 45663, 54501, 60884, 72668, 91326, 109002, 136989, 163503, 182652, 218004, 273978, 327006, 547956, 563177, 654012, 1126354, 1689531, 2252708, 3379062, 5068593, 6758124, 10137186, 20274372]

約数ペア:

[(1, 20274372), (2, 10137186), (3, 6758124), (4, 5068593), (6, 3379062), (9, 2252708), (12, 1689531), (18, 1126354), (31, 654012), (36, 563177), (37, 547956), (62, 327006), (74, 273978), (93, 218004), (111, 182652), (124, 163503), (148, 136989), (186, 109002), (222, 91326), (279, 72668), (333, 60884), (372, 54501), (444, 45663), (491, 41292), (558, 36334), (666, 30442), (982, 20646), (1116, 18167), (1147, 17676), (1332, 15221), (1473, 13764), (1964, 10323), (2294, 8838), (2946, 6882), (3441, 5892), (4419, 4588)]