20176581488

素因数分解:

$2^4\times 7^1\times {\mathrm{1229}}^1\times {\mathrm{146581}}^1$

素因数の和:147825

約数の個数: 40

約数和(自身を含む): 44713373280

約数和(自身を除く): 24536791792

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 1229, 2458, 4916, 8603, 9832, 17206, 19664, 34412, 68824, 137648, 146581, 293162, 586324, 1026067, 1172648, 2052134, 2345296, 4104268, 8208536, 16417072, 180148049, 360296098, 720592196, 1261036343, 1441184392, 2522072686, 2882368784, 5044145372, 10088290744, 20176581488]

約数ペア:

[(1, 20176581488), (2, 10088290744), (4, 5044145372), (7, 2882368784), (8, 2522072686), (14, 1441184392), (16, 1261036343), (28, 720592196), (56, 360296098), (112, 180148049), (1229, 16417072), (2458, 8208536), (4916, 4104268), (8603, 2345296), (9832, 2052134), (17206, 1172648), (19664, 1026067), (34412, 586324), (68824, 293162), (137648, 146581)]