20839624

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{200381}}^1$

素因数の和:200400

約数の個数: 16

約数和(自身を含む): 42080220

約数和(自身を除く): 21240596

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 200381, 400762, 801524, 1603048, 2604953, 5209906, 10419812, 20839624]

約数ペア:

[(1, 20839624), (2, 10419812), (4, 5209906), (8, 2604953), (13, 1603048), (26, 801524), (52, 400762), (104, 200381)]