20899681456

素因数分解:

$2^4\times {\mathrm{191}}^1\times {\mathrm{1093}}^1\times {\mathrm{6257}}^1$

素因数の和:7549

約数の個数: 40

約数和(自身を含む): 40748891904

約数和(自身を除く): 19849210448

約数列:

[1, 2, 4, 8, 16, 191, 382, 764, 1093, 1528, 2186, 3056, 4372, 6257, 8744, 12514, 17488, 25028, 50056, 100112, 208763, 417526, 835052, 1195087, 1670104, 2390174, 3340208, 4780348, 6838901, 9560696, 13677802, 19121392, 27355604, 54711208, 109422416, 1306230091, 2612460182, 5224920364, 10449840728, 20899681456]

約数ペア:

[(1, 20899681456), (2, 10449840728), (4, 5224920364), (8, 2612460182), (16, 1306230091), (191, 109422416), (382, 54711208), (764, 27355604), (1093, 19121392), (1528, 13677802), (2186, 9560696), (3056, 6838901), (4372, 4780348), (6257, 3340208), (8744, 2390174), (12514, 1670104), (17488, 1195087), (25028, 835052), (50056, 417526), (100112, 208763)]