20147196405

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{4049}}^1\times {\mathrm{47389}}^1$

素因数の和:51453

約数の個数: 32

約数和(自身を含む): 36850464000

約数和(自身を除く): 16703267595

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 4049, 12147, 20245, 28343, 47389, 60735, 85029, 141715, 142167, 236945, 331723, 425145, 710835, 995169, 1658615, 4975845, 191878061, 575634183, 959390305, 1343146427, 2878170915, 4029439281, 6715732135, 20147196405]

約数ペア:

[(1, 20147196405), (3, 6715732135), (5, 4029439281), (7, 2878170915), (15, 1343146427), (21, 959390305), (35, 575634183), (105, 191878061), (4049, 4975845), (12147, 1658615), (20245, 995169), (28343, 710835), (47389, 425145), (60735, 331723), (85029, 236945), (141715, 142167)]