20123821060

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{8455387}}^1$

素因数の和:8455420

約数の個数: 48

約数和(自身を含む): 51138186624

約数和(自身を除く): 31014365564

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 68, 70, 85, 119, 140, 170, 238, 340, 476, 595, 1190, 2380, 8455387, 16910774, 33821548, 42276935, 59187709, 84553870, 118375418, 143741579, 169107740, 236750836, 287483158, 295938545, 574966316, 591877090, 718707895, 1006191053, 1183754180, 1437415790, 2012382106, 2874831580, 4024764212, 5030955265, 10061910530, 20123821060]

約数ペア:

[(1, 20123821060), (2, 10061910530), (4, 5030955265), (5, 4024764212), (7, 2874831580), (10, 2012382106), (14, 1437415790), (17, 1183754180), (20, 1006191053), (28, 718707895), (34, 591877090), (35, 574966316), (68, 295938545), (70, 287483158), (85, 236750836), (119, 169107740), (140, 143741579), (170, 118375418), (238, 84553870), (340, 59187709), (476, 42276935), (595, 33821548), (1190, 16910774), (2380, 8455387)]