20551674

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1409}}^1$

素因数の和:1455

約数の個数: 64

約数和(自身を含む): 51166080

約数和(自身を除く): 30614406

約数列:

[1, 2, 3, 6, 11, 13, 17, 22, 26, 33, 34, 39, 51, 66, 78, 102, 143, 187, 221, 286, 374, 429, 442, 561, 663, 858, 1122, 1326, 1409, 2431, 2818, 4227, 4862, 7293, 8454, 14586, 15499, 18317, 23953, 30998, 36634, 46497, 47906, 54951, 71859, 92994, 109902, 143718, 201487, 263483, 311389, 402974, 526966, 604461, 622778, 790449, 934167, 1208922, 1580898, 1868334, 3425279, 6850558, 10275837, 20551674]

約数ペア:

[(1, 20551674), (2, 10275837), (3, 6850558), (6, 3425279), (11, 1868334), (13, 1580898), (17, 1208922), (22, 934167), (26, 790449), (33, 622778), (34, 604461), (39, 526966), (51, 402974), (66, 311389), (78, 263483), (102, 201487), (143, 143718), (187, 109902), (221, 92994), (286, 71859), (374, 54951), (429, 47906), (442, 46497), (561, 36634), (663, 30998), (858, 23953), (1122, 18317), (1326, 15499), (1409, 14586), (2431, 8454), (2818, 7293), (4227, 4862)]