20199077690

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{449}}^1\times {\mathrm{408971}}^1$

素因数の和:409438

約数の個数: 32

約数和(自身を含む): 39752078400

約数和(自身を除く): 19553000710

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 449, 898, 2245, 4490, 4939, 9878, 24695, 49390, 408971, 817942, 2044855, 4089710, 4498681, 8997362, 22493405, 44986810, 183627979, 367255958, 918139895, 1836279790, 2019907769, 4039815538, 10099538845, 20199077690]

約数ペア:

[(1, 20199077690), (2, 10099538845), (5, 4039815538), (10, 2019907769), (11, 1836279790), (22, 918139895), (55, 367255958), (110, 183627979), (449, 44986810), (898, 22493405), (2245, 8997362), (4490, 4498681), (4939, 4089710), (9878, 2044855), (24695, 817942), (49390, 408971)]