17207920

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{11321}}^1$

素因数の和:11353

約数の個数: 40

約数和(自身を含む): 42117840

約数和(自身を除く): 24909920

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 11321, 22642, 45284, 56605, 90568, 113210, 181136, 215099, 226420, 430198, 452840, 860396, 905680, 1075495, 1720792, 2150990, 3441584, 4301980, 8603960, 17207920]

約数ペア:

[(1, 17207920), (2, 8603960), (4, 4301980), (5, 3441584), (8, 2150990), (10, 1720792), (16, 1075495), (19, 905680), (20, 860396), (38, 452840), (40, 430198), (76, 226420), (80, 215099), (95, 181136), (152, 113210), (190, 90568), (304, 56605), (380, 45284), (760, 22642), (1520, 11321)]