20595848

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1489}}^1$

素因数の和:1534

約数の個数: 64

約数和(自身を含む): 50064000

約数和(自身を除く): 29468152

約数列:

[1, 2, 4, 7, 8, 13, 14, 19, 26, 28, 38, 52, 56, 76, 91, 104, 133, 152, 182, 247, 266, 364, 494, 532, 728, 988, 1064, 1489, 1729, 1976, 2978, 3458, 5956, 6916, 10423, 11912, 13832, 19357, 20846, 28291, 38714, 41692, 56582, 77428, 83384, 113164, 135499, 154856, 198037, 226328, 270998, 367783, 396074, 541996, 735566, 792148, 1083992, 1471132, 1584296, 2574481, 2942264, 5148962, 10297924, 20595848]

約数ペア:

[(1, 20595848), (2, 10297924), (4, 5148962), (7, 2942264), (8, 2574481), (13, 1584296), (14, 1471132), (19, 1083992), (26, 792148), (28, 735566), (38, 541996), (52, 396074), (56, 367783), (76, 270998), (91, 226328), (104, 198037), (133, 154856), (152, 135499), (182, 113164), (247, 83384), (266, 77428), (364, 56582), (494, 41692), (532, 38714), (728, 28291), (988, 20846), (1064, 19357), (1489, 13832), (1729, 11912), (1976, 10423), (2978, 6916), (3458, 5956)]