20373392

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{2389}}^1$

素因数の和:2451

約数の個数: 40

約数和(自身を含む): 43564920

約数和(自身を除く): 23191528

約数列:

[1, 2, 4, 8, 13, 16, 26, 41, 52, 82, 104, 164, 208, 328, 533, 656, 1066, 2132, 2389, 4264, 4778, 8528, 9556, 19112, 31057, 38224, 62114, 97949, 124228, 195898, 248456, 391796, 496912, 783592, 1273337, 1567184, 2546674, 5093348, 10186696, 20373392]

約数ペア:

[(1, 20373392), (2, 10186696), (4, 5093348), (8, 2546674), (13, 1567184), (16, 1273337), (26, 783592), (41, 496912), (52, 391796), (82, 248456), (104, 195898), (164, 124228), (208, 97949), (328, 62114), (533, 38224), (656, 31057), (1066, 19112), (2132, 9556), (2389, 8528), (4264, 4778)]