20057912

素因数分解:

$2^3\times 7^1\times {\mathrm{251}}^1\times {\mathrm{1427}}^1$

素因数の和:1691

約数の個数: 32

約数和(自身を含む): 43182720

約数和(自身を除く): 23124808

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 251, 502, 1004, 1427, 1757, 2008, 2854, 3514, 5708, 7028, 9989, 11416, 14056, 19978, 39956, 79912, 358177, 716354, 1432708, 2507239, 2865416, 5014478, 10028956, 20057912]

約数ペア:

[(1, 20057912), (2, 10028956), (4, 5014478), (7, 2865416), (8, 2507239), (14, 1432708), (28, 716354), (56, 358177), (251, 79912), (502, 39956), (1004, 19978), (1427, 14056), (1757, 11416), (2008, 9989), (2854, 7028), (3514, 5708)]