20141944991

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{28657}}^1$

素因数の和:28815

約数の個数: 32

約数和(自身を含む): 24650465280

約数和(自身を除く): 4508520289

約数列:

[1, 7, 31, 41, 79, 217, 287, 553, 1271, 2449, 3239, 8897, 17143, 22673, 28657, 100409, 200599, 702863, 888367, 1174937, 2263903, 6218569, 8224559, 15847321, 36423047, 70180993, 92820023, 254961329, 491266951, 649740161, 2877420713, 20141944991]

約数ペア:

[(1, 20141944991), (7, 2877420713), (31, 649740161), (41, 491266951), (79, 254961329), (217, 92820023), (287, 70180993), (553, 36423047), (1271, 15847321), (2449, 8224559), (3239, 6218569), (8897, 2263903), (17143, 1174937), (22673, 888367), (28657, 702863), (100409, 200599)]