20108556

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{42967}}^1$

素因数の和:42990

約数の個数: 36

約数和(自身を含む): 54741232

約数和(自身を除く): 34632676

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 468, 42967, 85934, 128901, 171868, 257802, 386703, 515604, 558571, 773406, 1117142, 1546812, 1675713, 2234284, 3351426, 5027139, 6702852, 10054278, 20108556]

約数ペア:

[(1, 20108556), (2, 10054278), (3, 6702852), (4, 5027139), (6, 3351426), (9, 2234284), (12, 1675713), (13, 1546812), (18, 1117142), (26, 773406), (36, 558571), (39, 515604), (52, 386703), (78, 257802), (117, 171868), (156, 128901), (234, 85934), (468, 42967)]