20993252

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{39461}}^1$

素因数の和:39491

約数の個数: 24

約数和(自身を含む): 44197440

約数和(自身を除く): 23204188

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 266, 532, 39461, 78922, 157844, 276227, 552454, 749759, 1104908, 1499518, 2999036, 5248313, 10496626, 20993252]

約数ペア:

[(1, 20993252), (2, 10496626), (4, 5248313), (7, 2999036), (14, 1499518), (19, 1104908), (28, 749759), (38, 552454), (76, 276227), (133, 157844), (266, 78922), (532, 39461)]