20009752

素因数分解:

$2^3\times 7^1\times {\mathrm{79}}^1\times {\mathrm{4523}}^1$

素因数の和:4615

約数の個数: 32

約数和(自身を含む): 43430400

約数和(自身を除く): 23420648

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 79, 158, 316, 553, 632, 1106, 2212, 4424, 4523, 9046, 18092, 31661, 36184, 63322, 126644, 253288, 357317, 714634, 1429268, 2501219, 2858536, 5002438, 10004876, 20009752]

約数ペア:

[(1, 20009752), (2, 10004876), (4, 5002438), (7, 2858536), (8, 2501219), (14, 1429268), (28, 714634), (56, 357317), (79, 253288), (158, 126644), (316, 63322), (553, 36184), (632, 31661), (1106, 18092), (2212, 9046), (4424, 4523)]