16225220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{73751}}^1$

素因数の和:73771

約数の個数: 24

約数和(自身を含む): 37171008

約数和(自身を除く): 20945788

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 73751, 147502, 295004, 368755, 737510, 811261, 1475020, 1622522, 3245044, 4056305, 8112610, 16225220]

約数ペア:

[(1, 16225220), (2, 8112610), (4, 4056305), (5, 3245044), (10, 1622522), (11, 1475020), (20, 811261), (22, 737510), (44, 368755), (55, 295004), (110, 147502), (220, 73751)]