20657024

素因数分解:

$2^7\times {\mathrm{71}}^1\times {\mathrm{2273}}^1$

素因数の和:2358

約数の個数: 32

約数和(自身を含む): 41750640

約数和(自身を除く): 21093616

約数列:

[1, 2, 4, 8, 16, 32, 64, 71, 128, 142, 284, 568, 1136, 2272, 2273, 4544, 4546, 9088, 9092, 18184, 36368, 72736, 145472, 161383, 290944, 322766, 645532, 1291064, 2582128, 5164256, 10328512, 20657024]

約数ペア:

[(1, 20657024), (2, 10328512), (4, 5164256), (8, 2582128), (16, 1291064), (32, 645532), (64, 322766), (71, 290944), (128, 161383), (142, 145472), (284, 72736), (568, 36368), (1136, 18184), (2272, 9092), (2273, 9088), (4544, 4546)]