20636060

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{113}}^1\times {\mathrm{397}}^1$

素因数の和:542

約数の個数: 48

約数和(自身を含む): 45734976

約数和(自身を除く): 25098916

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 113, 115, 226, 230, 397, 452, 460, 565, 794, 1130, 1588, 1985, 2260, 2599, 3970, 5198, 7940, 9131, 10396, 12995, 18262, 25990, 36524, 44861, 45655, 51980, 89722, 91310, 179444, 182620, 224305, 448610, 897220, 1031803, 2063606, 4127212, 5159015, 10318030, 20636060]

約数ペア:

[(1, 20636060), (2, 10318030), (4, 5159015), (5, 4127212), (10, 2063606), (20, 1031803), (23, 897220), (46, 448610), (92, 224305), (113, 182620), (115, 179444), (226, 91310), (230, 89722), (397, 51980), (452, 45655), (460, 44861), (565, 36524), (794, 25990), (1130, 18262), (1588, 12995), (1985, 10396), (2260, 9131), (2599, 7940), (3970, 5198)]