20738508

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{239}}^1\times {\mathrm{1033}}^1$

素因数の和:1286

約数の個数: 48

約数和(自身を含む): 55587840

約数和(自身を除く): 34849332

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 239, 478, 717, 956, 1033, 1434, 1673, 2066, 2868, 3099, 3346, 4132, 5019, 6198, 6692, 7231, 10038, 12396, 14462, 20076, 21693, 28924, 43386, 86772, 246887, 493774, 740661, 987548, 1481322, 1728209, 2962644, 3456418, 5184627, 6912836, 10369254, 20738508]

約数ペア:

[(1, 20738508), (2, 10369254), (3, 6912836), (4, 5184627), (6, 3456418), (7, 2962644), (12, 1728209), (14, 1481322), (21, 987548), (28, 740661), (42, 493774), (84, 246887), (239, 86772), (478, 43386), (717, 28924), (956, 21693), (1033, 20076), (1434, 14462), (1673, 12396), (2066, 10038), (2868, 7231), (3099, 6692), (3346, 6198), (4132, 5019)]