20145793456

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{4273}}^1\times {\mathrm{7187}}^1$

素因数の和:11509

約数の個数: 40

約数和(自身を含む): 39999408624

約数和(自身を除く): 19853615168

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 4273, 7187, 8546, 14374, 17092, 28748, 34184, 57496, 68368, 114992, 175193, 294667, 350386, 589334, 700772, 1178668, 1401544, 2357336, 2803088, 4714672, 30710051, 61420102, 122840204, 245680408, 491360816, 1259112091, 2518224182, 5036448364, 10072896728, 20145793456]

約数ペア:

[(1, 20145793456), (2, 10072896728), (4, 5036448364), (8, 2518224182), (16, 1259112091), (41, 491360816), (82, 245680408), (164, 122840204), (328, 61420102), (656, 30710051), (4273, 4714672), (7187, 2803088), (8546, 2357336), (14374, 1401544), (17092, 1178668), (28748, 700772), (34184, 589334), (57496, 350386), (68368, 294667), (114992, 175193)]