20445990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{8627}}^1$

素因数の和:8716

約数の個数: 32

約数和(自身を含む): 49697280

約数和(自身を除く): 29251290

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 79, 158, 237, 395, 474, 790, 1185, 2370, 8627, 17254, 25881, 43135, 51762, 86270, 129405, 258810, 681533, 1363066, 2044599, 3407665, 4089198, 6815330, 10222995, 20445990]

約数ペア:

[(1, 20445990), (2, 10222995), (3, 6815330), (5, 4089198), (6, 3407665), (10, 2044599), (15, 1363066), (30, 681533), (79, 258810), (158, 129405), (237, 86270), (395, 51762), (474, 43135), (790, 25881), (1185, 17254), (2370, 8627)]