20476600

素因数分解:

$2^3\times 5^2\times {\mathrm{43}}^1\times {\mathrm{2381}}^1$

素因数の和:2440

約数の個数: 48

約数和(自身を含む): 48735720

約数和(自身を除く): 28259120

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 43, 50, 86, 100, 172, 200, 215, 344, 430, 860, 1075, 1720, 2150, 2381, 4300, 4762, 8600, 9524, 11905, 19048, 23810, 47620, 59525, 95240, 102383, 119050, 204766, 238100, 409532, 476200, 511915, 819064, 1023830, 2047660, 2559575, 4095320, 5119150, 10238300, 20476600]

約数ペア:

[(1, 20476600), (2, 10238300), (4, 5119150), (5, 4095320), (8, 2559575), (10, 2047660), (20, 1023830), (25, 819064), (40, 511915), (43, 476200), (50, 409532), (86, 238100), (100, 204766), (172, 119050), (200, 102383), (215, 95240), (344, 59525), (430, 47620), (860, 23810), (1075, 19048), (1720, 11905), (2150, 9524), (2381, 8600), (4300, 4762)]