20986952

素因数分解:

$2^3\times 7^1\times {\mathrm{29}}^1\times {\mathrm{12923}}^1$

素因数の和:12965

約数の個数: 32

約数和(自身を含む): 46526400

約数和(自身を除く): 25539448

約数列:

[1, 2, 4, 7, 8, 14, 28, 29, 56, 58, 116, 203, 232, 406, 812, 1624, 12923, 25846, 51692, 90461, 103384, 180922, 361844, 374767, 723688, 749534, 1499068, 2623369, 2998136, 5246738, 10493476, 20986952]

約数ペア:

[(1, 20986952), (2, 10493476), (4, 5246738), (7, 2998136), (8, 2623369), (14, 1499068), (28, 749534), (29, 723688), (56, 374767), (58, 361844), (116, 180922), (203, 103384), (232, 90461), (406, 51692), (812, 25846), (1624, 12923)]