20368998

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{1427}}^1$

素因数の和:1509

約数の個数: 48

約数和(自身を含む): 48340656

約数和(自身を除く): 27971658

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 61, 78, 117, 122, 183, 234, 366, 549, 793, 1098, 1427, 1586, 2379, 2854, 4281, 4758, 7137, 8562, 12843, 14274, 18551, 25686, 37102, 55653, 87047, 111306, 166959, 174094, 261141, 333918, 522282, 783423, 1131611, 1566846, 2263222, 3394833, 6789666, 10184499, 20368998]

約数ペア:

[(1, 20368998), (2, 10184499), (3, 6789666), (6, 3394833), (9, 2263222), (13, 1566846), (18, 1131611), (26, 783423), (39, 522282), (61, 333918), (78, 261141), (117, 174094), (122, 166959), (183, 111306), (234, 87047), (366, 55653), (549, 37102), (793, 25686), (1098, 18551), (1427, 14274), (1586, 12843), (2379, 8562), (2854, 7137), (4281, 4758)]