20839704

素因数分解:

$2^3\times 3^1\times {\mathrm{487}}^1\times {\mathrm{1783}}^1$

素因数の和:2279

約数の個数: 32

約数和(自身を含む): 52235520

約数和(自身を除く): 31395816

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 487, 974, 1461, 1783, 1948, 2922, 3566, 3896, 5349, 5844, 7132, 10698, 11688, 14264, 21396, 42792, 868321, 1736642, 2604963, 3473284, 5209926, 6946568, 10419852, 20839704]

約数ペア:

[(1, 20839704), (2, 10419852), (3, 6946568), (4, 5209926), (6, 3473284), (8, 2604963), (12, 1736642), (24, 868321), (487, 42792), (974, 21396), (1461, 14264), (1783, 11688), (1948, 10698), (2922, 7132), (3566, 5844), (3896, 5349)]