20465160

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{199}}^1\times {\mathrm{857}}^1$

素因数の和:1070

約数の個数: 64

約数和(自身を含む): 61776000

約数和(自身を除く): 41310840

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 199, 398, 597, 796, 857, 995, 1194, 1592, 1714, 1990, 2388, 2571, 2985, 3428, 3980, 4285, 4776, 5142, 5970, 6856, 7960, 8570, 10284, 11940, 12855, 17140, 20568, 23880, 25710, 34280, 51420, 102840, 170543, 341086, 511629, 682172, 852715, 1023258, 1364344, 1705430, 2046516, 2558145, 3410860, 4093032, 5116290, 6821720, 10232580, 20465160]

約数ペア:

[(1, 20465160), (2, 10232580), (3, 6821720), (4, 5116290), (5, 4093032), (6, 3410860), (8, 2558145), (10, 2046516), (12, 1705430), (15, 1364344), (20, 1023258), (24, 852715), (30, 682172), (40, 511629), (60, 341086), (120, 170543), (199, 102840), (398, 51420), (597, 34280), (796, 25710), (857, 23880), (995, 20568), (1194, 17140), (1592, 12855), (1714, 11940), (1990, 10284), (2388, 8570), (2571, 7960), (2985, 6856), (3428, 5970), (3980, 5142), (4285, 4776)]