20841690

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{10369}}^1$

素因数の和:10446

約数の個数: 32

約数和(自身を含む): 50771520

約数和(自身を除く): 29929830

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 67, 134, 201, 335, 402, 670, 1005, 2010, 10369, 20738, 31107, 51845, 62214, 103690, 155535, 311070, 694723, 1389446, 2084169, 3473615, 4168338, 6947230, 10420845, 20841690]

約数ペア:

[(1, 20841690), (2, 10420845), (3, 6947230), (5, 4168338), (6, 3473615), (10, 2084169), (15, 1389446), (30, 694723), (67, 311070), (134, 155535), (201, 103690), (335, 62214), (402, 51845), (670, 31107), (1005, 20738), (2010, 10369)]