20147248863

素因数分解:

$3^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{241}}^1\times {\mathrm{25037}}^1$

素因数の和:25344

約数の個数: 48

約数和(自身を含む): 34028444736

約数和(自身を除く): 13881195873

約数列:

[1, 3, 7, 9, 21, 53, 63, 159, 241, 371, 477, 723, 1113, 1687, 2169, 3339, 5061, 12773, 15183, 25037, 38319, 75111, 89411, 114957, 175259, 225333, 268233, 525777, 804699, 1326961, 1577331, 3980883, 6033917, 9288727, 11942649, 18101751, 27866181, 42237419, 54305253, 83598543, 126712257, 319797601, 380136771, 959392803, 2238583207, 2878178409, 6715749621, 20147248863]

約数ペア:

[(1, 20147248863), (3, 6715749621), (7, 2878178409), (9, 2238583207), (21, 959392803), (53, 380136771), (63, 319797601), (159, 126712257), (241, 83598543), (371, 54305253), (477, 42237419), (723, 27866181), (1113, 18101751), (1687, 11942649), (2169, 9288727), (3339, 6033917), (5061, 3980883), (12773, 1577331), (15183, 1326961), (25037, 804699), (38319, 525777), (75111, 268233), (89411, 225333), (114957, 175259)]