20828912

素因数分解:

$2^4\times {\mathrm{13}}^2\times {\mathrm{7703}}^1$

素因数の和:7737

約数の個数: 30

約数和(自身を含む): 43704792

約数和(自身を除く): 22875880

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 169, 208, 338, 676, 1352, 2704, 7703, 15406, 30812, 61624, 100139, 123248, 200278, 400556, 801112, 1301807, 1602224, 2603614, 5207228, 10414456, 20828912]

約数ペア:

[(1, 20828912), (2, 10414456), (4, 5207228), (8, 2603614), (13, 1602224), (16, 1301807), (26, 801112), (52, 400556), (104, 200278), (169, 123248), (208, 100139), (338, 61624), (676, 30812), (1352, 15406), (2704, 7703)]