20001476872

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{5197889}}^1$

素因数の和:5197945

約数の個数: 32

約数和(自身を含む): 41479162200

約数和(自身を除く): 21477685328

約数列:

[1, 2, 4, 8, 13, 26, 37, 52, 74, 104, 148, 296, 481, 962, 1924, 3848, 5197889, 10395778, 20791556, 41583112, 67572557, 135145114, 192321893, 270290228, 384643786, 540580456, 769287572, 1538575144, 2500184609, 5000369218, 10000738436, 20001476872]

約数ペア:

[(1, 20001476872), (2, 10000738436), (4, 5000369218), (8, 2500184609), (13, 1538575144), (26, 769287572), (37, 540580456), (52, 384643786), (74, 270290228), (104, 192321893), (148, 135145114), (296, 67572557), (481, 41583112), (962, 20791556), (1924, 10395778), (3848, 5197889)]