20207876626

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{1245401}}^1$

素因数の和:1245490

約数の個数: 32

約数和(自身を含む): 37063163520

約数和(自身を除く): 16855286894

約数列:

[1, 2, 7, 14, 19, 38, 61, 122, 133, 266, 427, 854, 1159, 2318, 8113, 16226, 1245401, 2490802, 8717807, 17435614, 23662619, 47325238, 75969461, 151938922, 165638333, 331276666, 531786227, 1063572454, 1443419759, 2886839518, 10103938313, 20207876626]

約数ペア:

[(1, 20207876626), (2, 10103938313), (7, 2886839518), (14, 1443419759), (19, 1063572454), (38, 531786227), (61, 331276666), (122, 165638333), (133, 151938922), (266, 75969461), (427, 47325238), (854, 23662619), (1159, 17435614), (2318, 8717807), (8113, 2490802), (16226, 1245401)]