20948021229

素因数分解:

$3^1\times {\mathrm{109}}^1\times {\mathrm{131}}^1\times {\mathrm{293}}^1\times {\mathrm{1669}}^1$

素因数の和:2205

約数の個数: 32

約数和(自身を含む): 28516118400

約数和(自身を除く): 7568097171

約数列:

[1, 3, 109, 131, 293, 327, 393, 879, 1669, 5007, 14279, 31937, 38383, 42837, 95811, 115149, 181921, 218639, 489017, 545763, 655917, 1467051, 4183747, 12551241, 23831651, 53302853, 64061227, 71494953, 159908559, 192183681, 6982673743, 20948021229]

約数ペア:

[(1, 20948021229), (3, 6982673743), (109, 192183681), (131, 159908559), (293, 71494953), (327, 64061227), (393, 53302853), (879, 23831651), (1669, 12551241), (5007, 4183747), (14279, 1467051), (31937, 655917), (38383, 545763), (42837, 489017), (95811, 218639), (115149, 181921)]