20347095496

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{247339}}^1$

素因数の和:247478

約数の個数: 64

約数和(自身を含む): 47370556800

約数和(自身を除く): 27023461304

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 113, 182, 226, 364, 452, 728, 791, 904, 1469, 1582, 2938, 3164, 5876, 6328, 10283, 11752, 20566, 41132, 82264, 247339, 494678, 989356, 1731373, 1978712, 3215407, 3462746, 6430814, 6925492, 12861628, 13850984, 22507849, 25723256, 27949307, 45015698, 55898614, 90031396, 111797228, 180062792, 195645149, 223594456, 363340991, 391290298, 726681982, 782580596, 1453363964, 1565161192, 2543386937, 2906727928, 5086773874, 10173547748, 20347095496]

約数ペア:

[(1, 20347095496), (2, 10173547748), (4, 5086773874), (7, 2906727928), (8, 2543386937), (13, 1565161192), (14, 1453363964), (26, 782580596), (28, 726681982), (52, 391290298), (56, 363340991), (91, 223594456), (104, 195645149), (113, 180062792), (182, 111797228), (226, 90031396), (364, 55898614), (452, 45015698), (728, 27949307), (791, 25723256), (904, 22507849), (1469, 13850984), (1582, 12861628), (2938, 6925492), (3164, 6430814), (5876, 3462746), (6328, 3215407), (10283, 1978712), (11752, 1731373), (20566, 989356), (41132, 494678), (82264, 247339)]