20316588

素因数分解:

$2^2\times 3^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{739}}^1$

素因数の和:854

約数の個数: 48

約数和(自身を含む): 49728000

約数和(自身を除く): 29411412

約数列:

[1, 2, 3, 4, 6, 12, 29, 58, 79, 87, 116, 158, 174, 237, 316, 348, 474, 739, 948, 1478, 2217, 2291, 2956, 4434, 4582, 6873, 8868, 9164, 13746, 21431, 27492, 42862, 58381, 64293, 85724, 116762, 128586, 175143, 233524, 257172, 350286, 700572, 1693049, 3386098, 5079147, 6772196, 10158294, 20316588]

約数ペア:

[(1, 20316588), (2, 10158294), (3, 6772196), (4, 5079147), (6, 3386098), (12, 1693049), (29, 700572), (58, 350286), (79, 257172), (87, 233524), (116, 175143), (158, 128586), (174, 116762), (237, 85724), (316, 64293), (348, 58381), (474, 42862), (739, 27492), (948, 21431), (1478, 13746), (2217, 9164), (2291, 8868), (2956, 6873), (4434, 4582)]