20619434

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{347}}^1$

素因数の和:470

約数の個数: 32

約数和(自身を含む): 35228736

約数和(自身を除く): 14609302

約数列:

[1, 2, 11, 22, 37, 73, 74, 146, 347, 407, 694, 803, 814, 1606, 2701, 3817, 5402, 7634, 12839, 25331, 25678, 29711, 50662, 59422, 141229, 278641, 282458, 557282, 937247, 1874494, 10309717, 20619434]

約数ペア:

[(1, 20619434), (2, 10309717), (11, 1874494), (22, 937247), (37, 557282), (73, 282458), (74, 278641), (146, 141229), (347, 59422), (407, 50662), (694, 29711), (803, 25678), (814, 25331), (1606, 12839), (2701, 7634), (3817, 5402)]