20412972

素因数分解:

$2^2\times 3^5\times {\mathrm{21001}}^1$

素因数の和:21020

約数の個数: 36

約数和(自身を含む): 53513096

約数和(自身を除く): 33100124

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 243, 324, 486, 972, 21001, 42002, 63003, 84004, 126006, 189009, 252012, 378018, 567027, 756036, 1134054, 1701081, 2268108, 3402162, 5103243, 6804324, 10206486, 20412972]

約数ペア:

[(1, 20412972), (2, 10206486), (3, 6804324), (4, 5103243), (6, 3402162), (9, 2268108), (12, 1701081), (18, 1134054), (27, 756036), (36, 567027), (54, 378018), (81, 252012), (108, 189009), (162, 126006), (243, 84004), (324, 63003), (486, 42002), (972, 21001)]