20199124

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{4457}}^1$

素因数の和:4575

約数の個数: 24

約数和(自身を含む): 38945088

約数和(自身を除く): 18745964

約数列:

[1, 2, 4, 11, 22, 44, 103, 206, 412, 1133, 2266, 4457, 4532, 8914, 17828, 49027, 98054, 196108, 459071, 918142, 1836284, 5049781, 10099562, 20199124]

約数ペア:

[(1, 20199124), (2, 10099562), (4, 5049781), (11, 1836284), (22, 918142), (44, 459071), (103, 196108), (206, 98054), (412, 49027), (1133, 17828), (2266, 8914), (4457, 4532)]