20609408

素因数分解:

$2^7\times {\mathrm{59}}^1\times {\mathrm{2729}}^1$

素因数の和:2802

約数の個数: 32

約数和(自身を含む): 41769000

約数和(自身を除く): 21159592

約数列:

[1, 2, 4, 8, 16, 32, 59, 64, 118, 128, 236, 472, 944, 1888, 2729, 3776, 5458, 7552, 10916, 21832, 43664, 87328, 161011, 174656, 322022, 349312, 644044, 1288088, 2576176, 5152352, 10304704, 20609408]

約数ペア:

[(1, 20609408), (2, 10304704), (4, 5152352), (8, 2576176), (16, 1288088), (32, 644044), (59, 349312), (64, 322022), (118, 174656), (128, 161011), (236, 87328), (472, 43664), (944, 21832), (1888, 10916), (2729, 7552), (3776, 5458)]