20228520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{12967}}^1$

素因数の和:12994

約数の個数: 64

約数和(自身を含む): 65358720

約数和(自身を除く): 45130200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 12967, 25934, 38901, 51868, 64835, 77802, 103736, 129670, 155604, 168571, 194505, 259340, 311208, 337142, 389010, 505713, 518680, 674284, 778020, 842855, 1011426, 1348568, 1556040, 1685710, 2022852, 2528565, 3371420, 4045704, 5057130, 6742840, 10114260, 20228520]

約数ペア:

[(1, 20228520), (2, 10114260), (3, 6742840), (4, 5057130), (5, 4045704), (6, 3371420), (8, 2528565), (10, 2022852), (12, 1685710), (13, 1556040), (15, 1348568), (20, 1011426), (24, 842855), (26, 778020), (30, 674284), (39, 518680), (40, 505713), (52, 389010), (60, 337142), (65, 311208), (78, 259340), (104, 194505), (120, 168571), (130, 155604), (156, 129670), (195, 103736), (260, 77802), (312, 64835), (390, 51868), (520, 38901), (780, 25934), (1560, 12967)]