20139270

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{281}}^1\times {\mathrm{2389}}^1$

素因数の和:2680

約数の個数: 32

約数和(自身を含む): 48526560

約数和(自身を除く): 28387290

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 281, 562, 843, 1405, 1686, 2389, 2810, 4215, 4778, 7167, 8430, 11945, 14334, 23890, 35835, 71670, 671309, 1342618, 2013927, 3356545, 4027854, 6713090, 10069635, 20139270]

約数ペア:

[(1, 20139270), (2, 10069635), (3, 6713090), (5, 4027854), (6, 3356545), (10, 2013927), (15, 1342618), (30, 671309), (281, 71670), (562, 35835), (843, 23890), (1405, 14334), (1686, 11945), (2389, 8430), (2810, 7167), (4215, 4778)]