20176680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{277}}^1\times {\mathrm{607}}^1$

素因数の和:898

約数の個数: 64

約数和(自身を含む): 60848640

約数和(自身を除く): 40671960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 277, 554, 607, 831, 1108, 1214, 1385, 1662, 1821, 2216, 2428, 2770, 3035, 3324, 3642, 4155, 4856, 5540, 6070, 6648, 7284, 8310, 9105, 11080, 12140, 14568, 16620, 18210, 24280, 33240, 36420, 72840, 168139, 336278, 504417, 672556, 840695, 1008834, 1345112, 1681390, 2017668, 2522085, 3362780, 4035336, 5044170, 6725560, 10088340, 20176680]

約数ペア:

[(1, 20176680), (2, 10088340), (3, 6725560), (4, 5044170), (5, 4035336), (6, 3362780), (8, 2522085), (10, 2017668), (12, 1681390), (15, 1345112), (20, 1008834), (24, 840695), (30, 672556), (40, 504417), (60, 336278), (120, 168139), (277, 72840), (554, 36420), (607, 33240), (831, 24280), (1108, 18210), (1214, 16620), (1385, 14568), (1662, 12140), (1821, 11080), (2216, 9105), (2428, 8310), (2770, 7284), (3035, 6648), (3324, 6070), (3642, 5540), (4155, 4856)]