20328044

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{379}}^1$

素因数の和:470

約数の個数: 48

約数和(自身を含む): 41368320

約数和(自身を除く): 21040276

約数列:

[1, 2, 4, 11, 22, 23, 44, 46, 53, 92, 106, 212, 253, 379, 506, 583, 758, 1012, 1166, 1219, 1516, 2332, 2438, 4169, 4876, 8338, 8717, 13409, 16676, 17434, 20087, 26818, 34868, 40174, 53636, 80348, 95887, 191774, 220957, 383548, 441914, 462001, 883828, 924002, 1848004, 5082011, 10164022, 20328044]

約数ペア:

[(1, 20328044), (2, 10164022), (4, 5082011), (11, 1848004), (22, 924002), (23, 883828), (44, 462001), (46, 441914), (53, 383548), (92, 220957), (106, 191774), (212, 95887), (253, 80348), (379, 53636), (506, 40174), (583, 34868), (758, 26818), (1012, 20087), (1166, 17434), (1219, 16676), (1516, 13409), (2332, 8717), (2438, 8338), (4169, 4876)]