20731914

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{4447}}^1$

素因数の和:4499

約数の個数: 48

約数和(自身を含む): 52735488

約数和(自身を除く): 32003574

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 37, 42, 63, 74, 111, 126, 222, 259, 333, 518, 666, 777, 1554, 2331, 4447, 4662, 8894, 13341, 26682, 31129, 40023, 62258, 80046, 93387, 164539, 186774, 280161, 329078, 493617, 560322, 987234, 1151773, 1480851, 2303546, 2961702, 3455319, 6910638, 10365957, 20731914]

約数ペア:

[(1, 20731914), (2, 10365957), (3, 6910638), (6, 3455319), (7, 2961702), (9, 2303546), (14, 1480851), (18, 1151773), (21, 987234), (37, 560322), (42, 493617), (63, 329078), (74, 280161), (111, 186774), (126, 164539), (222, 93387), (259, 80046), (333, 62258), (518, 40023), (666, 31129), (777, 26682), (1554, 13341), (2331, 8894), (4447, 4662)]