20285595

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{383}}^1$

素因数の和:512

約数の個数: 48

約数和(自身を含む): 38817792

約数和(自身を除く): 18532197

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 99, 107, 165, 321, 383, 495, 535, 963, 1149, 1177, 1605, 1915, 3447, 3531, 4213, 4815, 5745, 5885, 10593, 12639, 17235, 17655, 21065, 37917, 40981, 52965, 63195, 122943, 189585, 204905, 368829, 450791, 614715, 1352373, 1844145, 2253955, 4057119, 6761865, 20285595]

約数ペア:

[(1, 20285595), (3, 6761865), (5, 4057119), (9, 2253955), (11, 1844145), (15, 1352373), (33, 614715), (45, 450791), (55, 368829), (99, 204905), (107, 189585), (165, 122943), (321, 63195), (383, 52965), (495, 40981), (535, 37917), (963, 21065), (1149, 17655), (1177, 17235), (1605, 12639), (1915, 10593), (3447, 5885), (3531, 5745), (4213, 4815)]