20559812

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{8069}}^1$

素因数の和:8100

約数の個数: 36

約数和(自身を含む): 45079020

約数和(自身を除く): 24519208

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 49, 52, 91, 98, 182, 196, 364, 637, 1274, 2548, 8069, 16138, 32276, 56483, 104897, 112966, 209794, 225932, 395381, 419588, 734279, 790762, 1468558, 1581524, 2937116, 5139953, 10279906, 20559812]

約数ペア:

[(1, 20559812), (2, 10279906), (4, 5139953), (7, 2937116), (13, 1581524), (14, 1468558), (26, 790762), (28, 734279), (49, 419588), (52, 395381), (91, 225932), (98, 209794), (182, 112966), (196, 104897), (364, 56483), (637, 32276), (1274, 16138), (2548, 8069)]