20175584

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{4409}}^1$

素因数の和:4443

約数の個数: 48

約数和(自身を含む): 46675440

約数和(自身を除く): 26499856

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 32, 44, 52, 88, 104, 143, 176, 208, 286, 352, 416, 572, 1144, 2288, 4409, 4576, 8818, 17636, 35272, 48499, 57317, 70544, 96998, 114634, 141088, 193996, 229268, 387992, 458536, 630487, 775984, 917072, 1260974, 1551968, 1834144, 2521948, 5043896, 10087792, 20175584]

約数ペア:

[(1, 20175584), (2, 10087792), (4, 5043896), (8, 2521948), (11, 1834144), (13, 1551968), (16, 1260974), (22, 917072), (26, 775984), (32, 630487), (44, 458536), (52, 387992), (88, 229268), (104, 193996), (143, 141088), (176, 114634), (208, 96998), (286, 70544), (352, 57317), (416, 48499), (572, 35272), (1144, 17636), (2288, 8818), (4409, 4576)]