20175247940

素因数分解:

$2^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{307}}^1\times {\mathrm{25873}}^1$

素因数の和:26316

約数の個数: 48

約数和(自身を含む): 42842376192

約数和(自身を除く): 22667128252

約数列:

[1, 2, 4, 5, 10, 20, 127, 254, 307, 508, 614, 635, 1228, 1270, 1535, 2540, 3070, 6140, 25873, 38989, 51746, 77978, 103492, 129365, 155956, 194945, 258730, 389890, 517460, 779780, 3285871, 6571742, 7943011, 13143484, 15886022, 16429355, 31772044, 32858710, 39715055, 65717420, 79430110, 158860220, 1008762397, 2017524794, 4035049588, 5043811985, 10087623970, 20175247940]

約数ペア:

[(1, 20175247940), (2, 10087623970), (4, 5043811985), (5, 4035049588), (10, 2017524794), (20, 1008762397), (127, 158860220), (254, 79430110), (307, 65717420), (508, 39715055), (614, 32858710), (635, 31772044), (1228, 16429355), (1270, 15886022), (1535, 13143484), (2540, 7943011), (3070, 6571742), (6140, 3285871), (25873, 779780), (38989, 517460), (51746, 389890), (77978, 258730), (103492, 194945), (129365, 155956)]