20820342

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{101}}^1$

素因数の和:213

約数の個数: 64

約数和(自身を含む): 46531584

約数和(自身を除く): 25711242

約数列:

[1, 2, 3, 6, 17, 34, 43, 47, 51, 86, 94, 101, 102, 129, 141, 202, 258, 282, 303, 606, 731, 799, 1462, 1598, 1717, 2021, 2193, 2397, 3434, 4042, 4343, 4386, 4747, 4794, 5151, 6063, 8686, 9494, 10302, 12126, 13029, 14241, 26058, 28482, 34357, 68714, 73831, 80699, 103071, 147662, 161398, 204121, 206142, 221493, 242097, 408242, 442986, 484194, 612363, 1224726, 3470057, 6940114, 10410171, 20820342]

約数ペア:

[(1, 20820342), (2, 10410171), (3, 6940114), (6, 3470057), (17, 1224726), (34, 612363), (43, 484194), (47, 442986), (51, 408242), (86, 242097), (94, 221493), (101, 206142), (102, 204121), (129, 161398), (141, 147662), (202, 103071), (258, 80699), (282, 73831), (303, 68714), (606, 34357), (731, 28482), (799, 26058), (1462, 14241), (1598, 13029), (1717, 12126), (2021, 10302), (2193, 9494), (2397, 8686), (3434, 6063), (4042, 5151), (4343, 4794), (4386, 4747)]