20409150

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{359}}^1\times {\mathrm{379}}^1$

素因数の和:753

約数の個数: 48

約数和(自身を含む): 50889600

約数和(自身を除く): 30480450

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 75, 150, 359, 379, 718, 758, 1077, 1137, 1795, 1895, 2154, 2274, 3590, 3790, 5385, 5685, 8975, 9475, 10770, 11370, 17950, 18950, 26925, 28425, 53850, 56850, 136061, 272122, 408183, 680305, 816366, 1360610, 2040915, 3401525, 4081830, 6803050, 10204575, 20409150]

約数ペア:

[(1, 20409150), (2, 10204575), (3, 6803050), (5, 4081830), (6, 3401525), (10, 2040915), (15, 1360610), (25, 816366), (30, 680305), (50, 408183), (75, 272122), (150, 136061), (359, 56850), (379, 53850), (718, 28425), (758, 26925), (1077, 18950), (1137, 17950), (1795, 11370), (1895, 10770), (2154, 9475), (2274, 8975), (3590, 5685), (3790, 5385)]