20210160964

素因数分解:

$2^2\times 7^1\times {\mathrm{17681}}^1\times {\mathrm{40823}}^1$

素因数の和:58515

約数の個数: 24

約数和(自身を含む): 40423598208

約数和(自身を除く): 20213437244

約数列:

[1, 2, 4, 7, 14, 28, 17681, 35362, 40823, 70724, 81646, 123767, 163292, 247534, 285761, 495068, 571522, 1143044, 721791463, 1443582926, 2887165852, 5052540241, 10105080482, 20210160964]

約数ペア:

[(1, 20210160964), (2, 10105080482), (4, 5052540241), (7, 2887165852), (14, 1443582926), (28, 721791463), (17681, 1143044), (35362, 571522), (40823, 495068), (70724, 285761), (81646, 247534), (123767, 163292)]