20954088

素因数分解:

$2^3\times 3^2\times {\mathrm{71}}^1\times {\mathrm{4099}}^1$

素因数の和:4182

約数の個数: 48

約数和(自身を含む): 57564000

約数和(自身を除く): 36609912

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 71, 72, 142, 213, 284, 426, 568, 639, 852, 1278, 1704, 2556, 4099, 5112, 8198, 12297, 16396, 24594, 32792, 36891, 49188, 73782, 98376, 147564, 291029, 295128, 582058, 873087, 1164116, 1746174, 2328232, 2619261, 3492348, 5238522, 6984696, 10477044, 20954088]

約数ペア:

[(1, 20954088), (2, 10477044), (3, 6984696), (4, 5238522), (6, 3492348), (8, 2619261), (9, 2328232), (12, 1746174), (18, 1164116), (24, 873087), (36, 582058), (71, 295128), (72, 291029), (142, 147564), (213, 98376), (284, 73782), (426, 49188), (568, 36891), (639, 32792), (852, 24594), (1278, 16396), (1704, 12297), (2556, 8198), (4099, 5112)]