20995648

素因数分解:

$2^6\times {\mathrm{251}}^1\times {\mathrm{1307}}^1$

素因数の和:1570

約数の個数: 28

約数和(自身を含む): 41861232

約数和(自身を除く): 20865584

約数列:

[1, 2, 4, 8, 16, 32, 64, 251, 502, 1004, 1307, 2008, 2614, 4016, 5228, 8032, 10456, 16064, 20912, 41824, 83648, 328057, 656114, 1312228, 2624456, 5248912, 10497824, 20995648]

約数ペア:

[(1, 20995648), (2, 10497824), (4, 5248912), (8, 2624456), (16, 1312228), (32, 656114), (64, 328057), (251, 83648), (502, 41824), (1004, 20912), (1307, 16064), (2008, 10456), (2614, 8032), (4016, 5228)]