20801676844

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{5634257}}^1$

素因数の和:5634345

約数の個数: 24

約数和(自身を含む): 39755324448

約数和(自身を除く): 18953647604

約数列:

[1, 2, 4, 13, 26, 52, 71, 142, 284, 923, 1846, 3692, 5634257, 11268514, 22537028, 73245341, 146490682, 292981364, 400032247, 800064494, 1600128988, 5200419211, 10400838422, 20801676844]

約数ペア:

[(1, 20801676844), (2, 10400838422), (4, 5200419211), (13, 1600128988), (26, 800064494), (52, 400032247), (71, 292981364), (142, 146490682), (284, 73245341), (923, 22537028), (1846, 11268514), (3692, 5634257)]