20236678

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{331}}^1\times {\mathrm{397}}^1$

素因数の和:748

約数の個数: 32

約数和(自身を含む): 38055168

約数和(自身を除く): 17818490

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 331, 397, 662, 794, 2317, 2779, 3641, 4367, 4634, 5558, 7282, 8734, 25487, 30569, 50974, 61138, 131407, 262814, 919849, 1445477, 1839698, 2890954, 10118339, 20236678]

約数ペア:

[(1, 20236678), (2, 10118339), (7, 2890954), (11, 1839698), (14, 1445477), (22, 919849), (77, 262814), (154, 131407), (331, 61138), (397, 50974), (662, 30569), (794, 25487), (2317, 8734), (2779, 7282), (3641, 5558), (4367, 4634)]