20668565589

素因数分解:

$3^1\times 7^2\times {\mathrm{59}}^1\times {\mathrm{673}}^1\times {\mathrm{3541}}^1$

素因数の和:4290

約数の個数: 48

約数和(自身を含む): 32658373440

約数和(自身を除く): 11989807851

約数列:

[1, 3, 7, 21, 49, 59, 147, 177, 413, 673, 1239, 2019, 2891, 3541, 4711, 8673, 10623, 14133, 24787, 32977, 39707, 74361, 98931, 119121, 173509, 208919, 277949, 520527, 626757, 833847, 1462433, 1945643, 2383093, 4387299, 5836929, 7149279, 10237031, 16681651, 30711093, 50044953, 116771557, 140602487, 350314671, 421807461, 984217409, 2952652227, 6889521863, 20668565589]

約数ペア:

[(1, 20668565589), (3, 6889521863), (7, 2952652227), (21, 984217409), (49, 421807461), (59, 350314671), (147, 140602487), (177, 116771557), (413, 50044953), (673, 30711093), (1239, 16681651), (2019, 10237031), (2891, 7149279), (3541, 5836929), (4711, 4387299), (8673, 2383093), (10623, 1945643), (14133, 1462433), (24787, 833847), (32977, 626757), (39707, 520527), (74361, 277949), (98931, 208919), (119121, 173509)]