20974064

素因数分解:

$2^4\times {\mathrm{101}}^1\times {\mathrm{12979}}^1$

素因数の和:13088

約数の個数: 20

約数和(自身を含む): 41042760

約数和(自身を除く): 20068696

約数列:

[1, 2, 4, 8, 16, 101, 202, 404, 808, 1616, 12979, 25958, 51916, 103832, 207664, 1310879, 2621758, 5243516, 10487032, 20974064]

約数ペア:

[(1, 20974064), (2, 10487032), (4, 5243516), (8, 2621758), (16, 1310879), (101, 207664), (202, 103832), (404, 51916), (808, 25958), (1616, 12979)]