20173631891

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{223}}^1\times {\mathrm{5641}}^1$

素因数の和:5979

約数の個数: 32

約数和(自身を含む): 24265113600

約数和(自身を除く): 4091481709

約数列:

[1, 7, 29, 79, 203, 223, 553, 1561, 2291, 5641, 6467, 16037, 17617, 39487, 45269, 123319, 163589, 445639, 510893, 1145123, 1257943, 3119473, 3576251, 8805601, 12923531, 36480347, 90464717, 99377497, 255362429, 695642479, 2881947413, 20173631891]

約数ペア:

[(1, 20173631891), (7, 2881947413), (29, 695642479), (79, 255362429), (203, 99377497), (223, 90464717), (553, 36480347), (1561, 12923531), (2291, 8805601), (5641, 3576251), (6467, 3119473), (16037, 1257943), (17617, 1145123), (39487, 510893), (45269, 445639), (123319, 163589)]