20731635568

素因数分解:

$2^4\times 7^1\times {\mathrm{41}}^1\times {\mathrm{4514729}}^1$

素因数の和:4514785

約数の個数: 40

約数和(自身を含む): 47025427680

約数和(自身を除く): 26293792112

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 41, 56, 82, 112, 164, 287, 328, 574, 656, 1148, 2296, 4592, 4514729, 9029458, 18058916, 31603103, 36117832, 63206206, 72235664, 126412412, 185103889, 252824824, 370207778, 505649648, 740415556, 1295727223, 1480831112, 2591454446, 2961662224, 5182908892, 10365817784, 20731635568]

約数ペア:

[(1, 20731635568), (2, 10365817784), (4, 5182908892), (7, 2961662224), (8, 2591454446), (14, 1480831112), (16, 1295727223), (28, 740415556), (41, 505649648), (56, 370207778), (82, 252824824), (112, 185103889), (164, 126412412), (287, 72235664), (328, 63206206), (574, 36117832), (656, 31603103), (1148, 18058916), (2296, 9029458), (4592, 4514729)]