20075848

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{479}}^1$

素因数の和:542

約数の個数: 48

約数和(自身を含む): 42163200

約数和(自身を除く): 22087352

約数列:

[1, 2, 4, 8, 13, 26, 31, 52, 62, 104, 124, 169, 248, 338, 403, 479, 676, 806, 958, 1352, 1612, 1916, 3224, 3832, 5239, 6227, 10478, 12454, 14849, 20956, 24908, 29698, 41912, 49816, 59396, 80951, 118792, 161902, 193037, 323804, 386074, 647608, 772148, 1544296, 2509481, 5018962, 10037924, 20075848]

約数ペア:

[(1, 20075848), (2, 10037924), (4, 5018962), (8, 2509481), (13, 1544296), (26, 772148), (31, 647608), (52, 386074), (62, 323804), (104, 193037), (124, 161902), (169, 118792), (248, 80951), (338, 59396), (403, 49816), (479, 41912), (676, 29698), (806, 24908), (958, 20956), (1352, 14849), (1612, 12454), (1916, 10478), (3224, 6227), (3832, 5239)]