20168910

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{7229}}^1$

素因数の和:7273

約数の個数: 48

約数和(自身を含む): 54138240

約数和(自身を除く): 33969330

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 31, 45, 62, 90, 93, 155, 186, 279, 310, 465, 558, 930, 1395, 2790, 7229, 14458, 21687, 36145, 43374, 65061, 72290, 108435, 130122, 216870, 224099, 325305, 448198, 650610, 672297, 1120495, 1344594, 2016891, 2240990, 3361485, 4033782, 6722970, 10084455, 20168910]

約数ペア:

[(1, 20168910), (2, 10084455), (3, 6722970), (5, 4033782), (6, 3361485), (9, 2240990), (10, 2016891), (15, 1344594), (18, 1120495), (30, 672297), (31, 650610), (45, 448198), (62, 325305), (90, 224099), (93, 216870), (155, 130122), (186, 108435), (279, 72290), (310, 65061), (465, 43374), (558, 36145), (930, 21687), (1395, 14458), (2790, 7229)]