20108930865

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{359}}^1\times {\mathrm{86843}}^1$

素因数の和:87253

約数の個数: 32

約数和(自身を含む): 33014615040

約数和(自身を除く): 12905684175

約数列:

[1, 3, 5, 15, 43, 129, 215, 359, 645, 1077, 1795, 5385, 15437, 46311, 77185, 86843, 231555, 260529, 434215, 1302645, 3734249, 11202747, 18671245, 31176637, 56013735, 93529911, 155883185, 467649555, 1340595391, 4021786173, 6702976955, 20108930865]

約数ペア:

[(1, 20108930865), (3, 6702976955), (5, 4021786173), (15, 1340595391), (43, 467649555), (129, 155883185), (215, 93529911), (359, 56013735), (645, 31176637), (1077, 18671245), (1795, 11202747), (5385, 3734249), (15437, 1302645), (46311, 434215), (77185, 260529), (86843, 231555)]