20125064309

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{587}}^1\times {\mathrm{6967}}^1$

素因数の和:7617

約数の個数: 32

約数和(自身を含む): 24910878720

約数和(自身を除く): 4785814411

約数列:

[1, 7, 19, 37, 133, 259, 587, 703, 4109, 4921, 6967, 11153, 21719, 48769, 78071, 132373, 152033, 257779, 412661, 926611, 1804453, 2888627, 4089629, 4897801, 28627403, 34284607, 77702951, 151316273, 543920657, 1059213911, 2875009187, 20125064309]

約数ペア:

[(1, 20125064309), (7, 2875009187), (19, 1059213911), (37, 543920657), (133, 151316273), (259, 77702951), (587, 34284607), (703, 28627403), (4109, 4897801), (4921, 4089629), (6967, 2888627), (11153, 1804453), (21719, 926611), (48769, 412661), (78071, 257779), (132373, 152033)]