20408097970

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{11311}}^1\times {\mathrm{13879}}^1$

素因数の和:25210

約数の個数: 32

約数和(自身を含む): 39566661120

約数和(自身を除く): 19158563150

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 11311, 13879, 22622, 27758, 56555, 69395, 113110, 138790, 147043, 180427, 294086, 360854, 735215, 902135, 1470430, 1804270, 156985369, 313970738, 784926845, 1569853690, 2040809797, 4081619594, 10204048985, 20408097970]

約数ペア:

[(1, 20408097970), (2, 10204048985), (5, 4081619594), (10, 2040809797), (13, 1569853690), (26, 784926845), (65, 313970738), (130, 156985369), (11311, 1804270), (13879, 1470430), (22622, 902135), (27758, 735215), (56555, 360854), (69395, 294086), (113110, 180427), (138790, 147043)]