20258460

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{241}}^1\times {\mathrm{467}}^1$

素因数の和:723

約数の個数: 72

約数和(自身を含む): 61837776

約数和(自身を除く): 41579316

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 241, 467, 482, 723, 934, 964, 1205, 1401, 1446, 1868, 2169, 2335, 2410, 2802, 2892, 3615, 4203, 4338, 4670, 4820, 5604, 7005, 7230, 8406, 8676, 9340, 10845, 14010, 14460, 16812, 21015, 21690, 28020, 42030, 43380, 84060, 112547, 225094, 337641, 450188, 562735, 675282, 1012923, 1125470, 1350564, 1688205, 2025846, 2250940, 3376410, 4051692, 5064615, 6752820, 10129230, 20258460]

約数ペア:

[(1, 20258460), (2, 10129230), (3, 6752820), (4, 5064615), (5, 4051692), (6, 3376410), (9, 2250940), (10, 2025846), (12, 1688205), (15, 1350564), (18, 1125470), (20, 1012923), (30, 675282), (36, 562735), (45, 450188), (60, 337641), (90, 225094), (180, 112547), (241, 84060), (467, 43380), (482, 42030), (723, 28020), (934, 21690), (964, 21015), (1205, 16812), (1401, 14460), (1446, 14010), (1868, 10845), (2169, 9340), (2335, 8676), (2410, 8406), (2802, 7230), (2892, 7005), (3615, 5604), (4203, 4820), (4338, 4670)]