20174520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{1889}}^1$

素因数の和:1992

約数の個数: 64

約数和(自身を含む): 61236000

約数和(自身を除く): 41061480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 89, 120, 178, 267, 356, 445, 534, 712, 890, 1068, 1335, 1780, 1889, 2136, 2670, 3560, 3778, 5340, 5667, 7556, 9445, 10680, 11334, 15112, 18890, 22668, 28335, 37780, 45336, 56670, 75560, 113340, 168121, 226680, 336242, 504363, 672484, 840605, 1008726, 1344968, 1681210, 2017452, 2521815, 3362420, 4034904, 5043630, 6724840, 10087260, 20174520]

約数ペア:

[(1, 20174520), (2, 10087260), (3, 6724840), (4, 5043630), (5, 4034904), (6, 3362420), (8, 2521815), (10, 2017452), (12, 1681210), (15, 1344968), (20, 1008726), (24, 840605), (30, 672484), (40, 504363), (60, 336242), (89, 226680), (120, 168121), (178, 113340), (267, 75560), (356, 56670), (445, 45336), (534, 37780), (712, 28335), (890, 22668), (1068, 18890), (1335, 15112), (1780, 11334), (1889, 10680), (2136, 9445), (2670, 7556), (3560, 5667), (3778, 5340)]