20113025776

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{521}}^1\times {\mathrm{126989}}^1$

素因数の和:127537

約数の個数: 40

約数和(自身を含む): 41099043600

約数和(自身を除く): 20986017824

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 521, 1042, 2084, 4168, 8336, 9899, 19798, 39596, 79192, 126989, 158384, 253978, 507956, 1015912, 2031824, 2412791, 4825582, 9651164, 19302328, 38604656, 66161269, 132322538, 264645076, 529290152, 1058580304, 1257064111, 2514128222, 5028256444, 10056512888, 20113025776]

約数ペア:

[(1, 20113025776), (2, 10056512888), (4, 5028256444), (8, 2514128222), (16, 1257064111), (19, 1058580304), (38, 529290152), (76, 264645076), (152, 132322538), (304, 66161269), (521, 38604656), (1042, 19302328), (2084, 9651164), (4168, 4825582), (8336, 2412791), (9899, 2031824), (19798, 1015912), (39596, 507956), (79192, 253978), (126989, 158384)]