20889338

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{97}}^1$

素因数の和:254

約数の個数: 32

約数和(自身を含む): 33868800

約数和(自身を除く): 12979462

約数列:

[1, 2, 29, 47, 58, 79, 94, 97, 158, 194, 1363, 2291, 2726, 2813, 3713, 4559, 4582, 5626, 7426, 7663, 9118, 15326, 107677, 132211, 215354, 222227, 264422, 360161, 444454, 720322, 10444669, 20889338]

約数ペア:

[(1, 20889338), (2, 10444669), (29, 720322), (47, 444454), (58, 360161), (79, 264422), (94, 222227), (97, 215354), (158, 132211), (194, 107677), (1363, 15326), (2291, 9118), (2726, 7663), (2813, 7426), (3713, 5626), (4559, 4582)]