20123495

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{1091}}^1$

素因数の和:1151

約数の個数: 32

約数和(自身を含む): 30191616

約数和(自身を除く): 10068121

約数列:

[1, 5, 7, 17, 31, 35, 85, 119, 155, 217, 527, 595, 1085, 1091, 2635, 3689, 5455, 7637, 18445, 18547, 33821, 38185, 92735, 129829, 169105, 236747, 574957, 649145, 1183735, 2874785, 4024699, 20123495]

約数ペア:

[(1, 20123495), (5, 4024699), (7, 2874785), (17, 1183735), (31, 649145), (35, 574957), (85, 236747), (119, 169105), (155, 129829), (217, 92735), (527, 38185), (595, 33821), (1085, 18547), (1091, 18445), (2635, 7637), (3689, 5455)]