20859156

素因数分解:

$2^2\times 3^2\times {\mathrm{31}}^1\times {\mathrm{18691}}^1$

素因数の和:18732

約数の個数: 36

約数和(自身を含む): 54431104

約数和(自身を除く): 33571948

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 31, 36, 62, 93, 124, 186, 279, 372, 558, 1116, 18691, 37382, 56073, 74764, 112146, 168219, 224292, 336438, 579421, 672876, 1158842, 1738263, 2317684, 3476526, 5214789, 6953052, 10429578, 20859156]

約数ペア:

[(1, 20859156), (2, 10429578), (3, 6953052), (4, 5214789), (6, 3476526), (9, 2317684), (12, 1738263), (18, 1158842), (31, 672876), (36, 579421), (62, 336438), (93, 224292), (124, 168219), (186, 112146), (279, 74764), (372, 56073), (558, 37382), (1116, 18691)]