20512152

素因数分解:

$2^3\times 3^2\times {\mathrm{431}}^1\times {\mathrm{661}}^1$

素因数の和:1104

約数の個数: 48

約数和(自身を含む): 55766880

約数和(自身を除く): 35254728

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 431, 661, 862, 1293, 1322, 1724, 1983, 2586, 2644, 3448, 3879, 3966, 5172, 5288, 5949, 7758, 7932, 10344, 11898, 15516, 15864, 23796, 31032, 47592, 284891, 569782, 854673, 1139564, 1709346, 2279128, 2564019, 3418692, 5128038, 6837384, 10256076, 20512152]

約数ペア:

[(1, 20512152), (2, 10256076), (3, 6837384), (4, 5128038), (6, 3418692), (8, 2564019), (9, 2279128), (12, 1709346), (18, 1139564), (24, 854673), (36, 569782), (72, 284891), (431, 47592), (661, 31032), (862, 23796), (1293, 15864), (1322, 15516), (1724, 11898), (1983, 10344), (2586, 7932), (2644, 7758), (3448, 5949), (3879, 5288), (3966, 5172)]