20199326200

素因数分解:

$2^3\times 5^2\times {\mathrm{257}}^1\times {\mathrm{392983}}^1$

素因数の和:393256

約数の個数: 48

約数和(自身を含む): 47146290480

約数和(自身を除く): 26946964280

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 257, 514, 1028, 1285, 2056, 2570, 5140, 6425, 10280, 12850, 25700, 51400, 392983, 785966, 1571932, 1964915, 3143864, 3929830, 7859660, 9824575, 15719320, 19649150, 39298300, 78596600, 100996631, 201993262, 403986524, 504983155, 807973048, 1009966310, 2019932620, 2524915775, 4039865240, 5049831550, 10099663100, 20199326200]

約数ペア:

[(1, 20199326200), (2, 10099663100), (4, 5049831550), (5, 4039865240), (8, 2524915775), (10, 2019932620), (20, 1009966310), (25, 807973048), (40, 504983155), (50, 403986524), (100, 201993262), (200, 100996631), (257, 78596600), (514, 39298300), (1028, 19649150), (1285, 15719320), (2056, 9824575), (2570, 7859660), (5140, 3929830), (6425, 3143864), (10280, 1964915), (12850, 1571932), (25700, 785966), (51400, 392983)]