20512172418

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{179}}^1\times {\mathrm{1005203}}^1$

素因数の和:1005406

約数の個数: 32

約数和(自身を含む): 43424812800

約数和(自身を除く): 22912640382

約数列:

[1, 2, 3, 6, 19, 38, 57, 114, 179, 358, 537, 1074, 3401, 6802, 10203, 20406, 1005203, 2010406, 3015609, 6031218, 19098857, 38197714, 57296571, 114593142, 179931337, 359862674, 539794011, 1079588022, 3418695403, 6837390806, 10256086209, 20512172418]

約数ペア:

[(1, 20512172418), (2, 10256086209), (3, 6837390806), (6, 3418695403), (19, 1079588022), (38, 539794011), (57, 359862674), (114, 179931337), (179, 114593142), (358, 57296571), (537, 38197714), (1074, 19098857), (3401, 6031218), (6802, 3015609), (10203, 2010406), (20406, 1005203)]