20415104

素因数分解:

$2^7\times {\mathrm{349}}^1\times {\mathrm{457}}^1$

素因数の和:820

約数の個数: 32

約数和(自身を含む): 40876500

約数和(自身を除く): 20461396

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 349, 457, 698, 914, 1396, 1828, 2792, 3656, 5584, 7312, 11168, 14624, 22336, 29248, 44672, 58496, 159493, 318986, 637972, 1275944, 2551888, 5103776, 10207552, 20415104]

約数ペア:

[(1, 20415104), (2, 10207552), (4, 5103776), (8, 2551888), (16, 1275944), (32, 637972), (64, 318986), (128, 159493), (349, 58496), (457, 44672), (698, 29248), (914, 22336), (1396, 14624), (1828, 11168), (2792, 7312), (3656, 5584)]