20176918220

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{277}}^1\times {\mathrm{49891}}^1$

素因数の和:50250

約数の個数: 48

約数和(自身を含む): 43107885408

約数和(自身を除く): 22930967188

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 277, 292, 365, 554, 730, 1108, 1385, 1460, 2770, 5540, 20221, 40442, 49891, 80884, 99782, 101105, 199564, 202210, 249455, 404420, 498910, 997820, 3642043, 7284086, 13819807, 14568172, 18210215, 27639614, 36420430, 55279228, 69099035, 72840860, 138198070, 276396140, 1008845911, 2017691822, 4035383644, 5044229555, 10088459110, 20176918220]

約数ペア:

[(1, 20176918220), (2, 10088459110), (4, 5044229555), (5, 4035383644), (10, 2017691822), (20, 1008845911), (73, 276396140), (146, 138198070), (277, 72840860), (292, 69099035), (365, 55279228), (554, 36420430), (730, 27639614), (1108, 18210215), (1385, 14568172), (1460, 13819807), (2770, 7284086), (5540, 3642043), (20221, 997820), (40442, 498910), (49891, 404420), (80884, 249455), (99782, 202210), (101105, 199564)]