20741896

素因数分解:

$2^3\times 7^3\times {\mathrm{7559}}^1$

素因数の和:7586

約数の個数: 32

約数和(自身を含む): 45360000

約数和(自身を除く): 24618104

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 196, 343, 392, 686, 1372, 2744, 7559, 15118, 30236, 52913, 60472, 105826, 211652, 370391, 423304, 740782, 1481564, 2592737, 2963128, 5185474, 10370948, 20741896]

約数ペア:

[(1, 20741896), (2, 10370948), (4, 5185474), (7, 2963128), (8, 2592737), (14, 1481564), (28, 740782), (49, 423304), (56, 370391), (98, 211652), (196, 105826), (343, 60472), (392, 52913), (686, 30236), (1372, 15118), (2744, 7559)]