20199797620

素因数分解:

$2^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{523}}^1\times {\mathrm{18749}}^1$

素因数の和:19384

約数の個数: 48

約数和(自身を含む): 42915600000

約数和(自身を除く): 22715802380

約数列:

[1, 2, 4, 5, 10, 20, 103, 206, 412, 515, 523, 1030, 1046, 2060, 2092, 2615, 5230, 10460, 18749, 37498, 53869, 74996, 93745, 107738, 187490, 215476, 269345, 374980, 538690, 1077380, 1931147, 3862294, 7724588, 9655735, 9805727, 19311470, 19611454, 38622940, 39222908, 49028635, 98057270, 196114540, 1009989881, 2019979762, 4039959524, 5049949405, 10099898810, 20199797620]

約数ペア:

[(1, 20199797620), (2, 10099898810), (4, 5049949405), (5, 4039959524), (10, 2019979762), (20, 1009989881), (103, 196114540), (206, 98057270), (412, 49028635), (515, 39222908), (523, 38622940), (1030, 19611454), (1046, 19311470), (2060, 9805727), (2092, 9655735), (2615, 7724588), (5230, 3862294), (10460, 1931147), (18749, 1077380), (37498, 538690), (53869, 374980), (74996, 269345), (93745, 215476), (107738, 187490)]