20221156

素因数分解:

$2^2\times {\mathrm{79}}^1\times {\mathrm{89}}^1\times {\mathrm{719}}^1$

素因数の和:891

約数の個数: 24

約数和(自身を含む): 36288000

約数和(自身を除く): 16066844

約数列:

[1, 2, 4, 79, 89, 158, 178, 316, 356, 719, 1438, 2876, 7031, 14062, 28124, 56801, 63991, 113602, 127982, 227204, 255964, 5055289, 10110578, 20221156]

約数ペア:

[(1, 20221156), (2, 10110578), (4, 5055289), (79, 255964), (89, 227204), (158, 127982), (178, 113602), (316, 63991), (356, 56801), (719, 28124), (1438, 14062), (2876, 7031)]