20376120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{277}}^1\times {\mathrm{613}}^1$

素因数の和:904

約数の個数: 64

約数和(自身を含む): 61449120

約数和(自身を除く): 41073000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 277, 554, 613, 831, 1108, 1226, 1385, 1662, 1839, 2216, 2452, 2770, 3065, 3324, 3678, 4155, 4904, 5540, 6130, 6648, 7356, 8310, 9195, 11080, 12260, 14712, 16620, 18390, 24520, 33240, 36780, 73560, 169801, 339602, 509403, 679204, 849005, 1018806, 1358408, 1698010, 2037612, 2547015, 3396020, 4075224, 5094030, 6792040, 10188060, 20376120]

約数ペア:

[(1, 20376120), (2, 10188060), (3, 6792040), (4, 5094030), (5, 4075224), (6, 3396020), (8, 2547015), (10, 2037612), (12, 1698010), (15, 1358408), (20, 1018806), (24, 849005), (30, 679204), (40, 509403), (60, 339602), (120, 169801), (277, 73560), (554, 36780), (613, 33240), (831, 24520), (1108, 18390), (1226, 16620), (1385, 14712), (1662, 12260), (1839, 11080), (2216, 9195), (2452, 8310), (2770, 7356), (3065, 6648), (3324, 6130), (3678, 5540), (4155, 4904)]