20701872

素因数分解:

$2^4\times 3^3\times {\mathrm{173}}^1\times {\mathrm{277}}^1$

素因数の和:467

約数の個数: 80

約数和(自身を含む): 59981280

約数和(自身を除く): 39279408

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 108, 144, 173, 216, 277, 346, 432, 519, 554, 692, 831, 1038, 1108, 1384, 1557, 1662, 2076, 2216, 2493, 2768, 3114, 3324, 4152, 4432, 4671, 4986, 6228, 6648, 7479, 8304, 9342, 9972, 12456, 13296, 14958, 18684, 19944, 24912, 29916, 37368, 39888, 47921, 59832, 74736, 95842, 119664, 143763, 191684, 287526, 383368, 431289, 575052, 766736, 862578, 1150104, 1293867, 1725156, 2300208, 2587734, 3450312, 5175468, 6900624, 10350936, 20701872]

約数ペア:

[(1, 20701872), (2, 10350936), (3, 6900624), (4, 5175468), (6, 3450312), (8, 2587734), (9, 2300208), (12, 1725156), (16, 1293867), (18, 1150104), (24, 862578), (27, 766736), (36, 575052), (48, 431289), (54, 383368), (72, 287526), (108, 191684), (144, 143763), (173, 119664), (216, 95842), (277, 74736), (346, 59832), (432, 47921), (519, 39888), (554, 37368), (692, 29916), (831, 24912), (1038, 19944), (1108, 18684), (1384, 14958), (1557, 13296), (1662, 12456), (2076, 9972), (2216, 9342), (2493, 8304), (2768, 7479), (3114, 6648), (3324, 6228), (4152, 4986), (4432, 4671)]