20039133608

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{479}}^1\times {\mathrm{402263}}^1$

素因数の和:402761

約数の個数: 32

約数和(自身を含む): 40548211200

約数和(自身を除く): 20509077592

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 479, 958, 1916, 3832, 6227, 12454, 24908, 49816, 402263, 804526, 1609052, 3218104, 5229419, 10458838, 20917676, 41835352, 192683977, 385367954, 770735908, 1541471816, 2504891701, 5009783402, 10019566804, 20039133608]

約数ペア:

[(1, 20039133608), (2, 10019566804), (4, 5009783402), (8, 2504891701), (13, 1541471816), (26, 770735908), (52, 385367954), (104, 192683977), (479, 41835352), (958, 20917676), (1916, 10458838), (3832, 5229419), (6227, 3218104), (12454, 1609052), (24908, 804526), (49816, 402263)]