20057961

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{2801}}^1$

素因数の和:2853

約数の個数: 32

約数和(自身を含む): 34430976

約数和(自身を除く): 14373015

約数列:

[1, 3, 7, 11, 21, 31, 33, 77, 93, 217, 231, 341, 651, 1023, 2387, 2801, 7161, 8403, 19607, 30811, 58821, 86831, 92433, 215677, 260493, 607817, 647031, 955141, 1823451, 2865423, 6685987, 20057961]

約数ペア:

[(1, 20057961), (3, 6685987), (7, 2865423), (11, 1823451), (21, 955141), (31, 647031), (33, 607817), (77, 260493), (93, 215677), (217, 92433), (231, 86831), (341, 58821), (651, 30811), (1023, 19607), (2387, 8403), (2801, 7161)]