20392510

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{3701}}^1$

素因数の和:3756

約数の個数: 32

約数和(自身を含む): 39981600

約数和(自身を除く): 19589090

約数列:

[1, 2, 5, 10, 19, 29, 38, 58, 95, 145, 190, 290, 551, 1102, 2755, 3701, 5510, 7402, 18505, 37010, 70319, 107329, 140638, 214658, 351595, 536645, 703190, 1073290, 2039251, 4078502, 10196255, 20392510]

約数ペア:

[(1, 20392510), (2, 10196255), (5, 4078502), (10, 2039251), (19, 1073290), (29, 703190), (38, 536645), (58, 351595), (95, 214658), (145, 140638), (190, 107329), (290, 70319), (551, 37010), (1102, 18505), (2755, 7402), (3701, 5510)]