20023704

素因数分解:

$2^3\times 3^2\times {\mathrm{71}}^1\times {\mathrm{3917}}^1$

素因数の和:4000

約数の個数: 48

約数和(自身を含む): 55008720

約数和(自身を除く): 34985016

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, 3917, 5112, 7834, 11751, 15668, 23502, 31336, 35253, 47004, 70506, 94008, 141012, 278107, 282024, 556214, 834321, 1112428, 1668642, 2224856, 2502963, 3337284, 5005926, 6674568, 10011852, 20023704]

約数ペア:

[(1, 20023704), (2, 10011852), (3, 6674568), (4, 5005926), (6, 3337284), (8, 2502963), (9, 2224856), (12, 1668642), (18, 1112428), (24, 834321), (36, 556214), (71, 282024), (72, 278107), (142, 141012), (213, 94008), (284, 70506), (426, 47004), (568, 35253), (639, 31336), (852, 23502), (1278, 15668), (1704, 11751), (2556, 7834), (3917, 5112)]