20193100

素因数分解:

$2^2\times 5^2\times {\mathrm{113}}^1\times {\mathrm{1787}}^1$

素因数の和:1914

約数の個数: 36

約数和(自身を含む): 44231544

約数和(自身を除く): 24038444

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 113, 226, 452, 565, 1130, 1787, 2260, 2825, 3574, 5650, 7148, 8935, 11300, 17870, 35740, 44675, 89350, 178700, 201931, 403862, 807724, 1009655, 2019310, 4038620, 5048275, 10096550, 20193100]

約数ペア:

[(1, 20193100), (2, 10096550), (4, 5048275), (5, 4038620), (10, 2019310), (20, 1009655), (25, 807724), (50, 403862), (100, 201931), (113, 178700), (226, 89350), (452, 44675), (565, 35740), (1130, 17870), (1787, 11300), (2260, 8935), (2825, 7148), (3574, 5650)]