20218373816

素因数分解:

$2^3\times {\mathrm{29}}^1\times {\mathrm{149}}^1\times {\mathrm{487}}^1\times {\mathrm{1201}}^1$

素因数の和:1872

約数の個数: 64

約数和(自身を含む): 39593880000

約数和(自身を除く): 19375506184

約数列:

[1, 2, 4, 8, 29, 58, 116, 149, 232, 298, 487, 596, 974, 1192, 1201, 1948, 2402, 3896, 4321, 4804, 8642, 9608, 14123, 17284, 28246, 34568, 34829, 56492, 69658, 72563, 112984, 139316, 145126, 178949, 278632, 290252, 357898, 580504, 584887, 715796, 1169774, 1431592, 2104327, 2339548, 4208654, 4679096, 5189521, 8417308, 10379042, 16834616, 16961723, 20758084, 33923446, 41516168, 67846892, 87148163, 135693784, 174296326, 348592652, 697185304, 2527296727, 5054593454, 10109186908, 20218373816]

約数ペア:

[(1, 20218373816), (2, 10109186908), (4, 5054593454), (8, 2527296727), (29, 697185304), (58, 348592652), (116, 174296326), (149, 135693784), (232, 87148163), (298, 67846892), (487, 41516168), (596, 33923446), (974, 20758084), (1192, 16961723), (1201, 16834616), (1948, 10379042), (2402, 8417308), (3896, 5189521), (4321, 4679096), (4804, 4208654), (8642, 2339548), (9608, 2104327), (14123, 1431592), (17284, 1169774), (28246, 715796), (34568, 584887), (34829, 580504), (56492, 357898), (69658, 290252), (72563, 278632), (112984, 178949), (139316, 145126)]