20196464

素因数分解:

$2^4\times {\mathrm{47}}^1\times {\mathrm{107}}^1\times {\mathrm{251}}^1$

素因数の和:413

約数の個数: 40

約数和(自身を含む): 40497408

約数和(自身を除く): 20300944

約数列:

[1, 2, 4, 8, 16, 47, 94, 107, 188, 214, 251, 376, 428, 502, 752, 856, 1004, 1712, 2008, 4016, 5029, 10058, 11797, 20116, 23594, 26857, 40232, 47188, 53714, 80464, 94376, 107428, 188752, 214856, 429712, 1262279, 2524558, 5049116, 10098232, 20196464]

約数ペア:

[(1, 20196464), (2, 10098232), (4, 5049116), (8, 2524558), (16, 1262279), (47, 429712), (94, 214856), (107, 188752), (188, 107428), (214, 94376), (251, 80464), (376, 53714), (428, 47188), (502, 40232), (752, 26857), (856, 23594), (1004, 20116), (1712, 11797), (2008, 10058), (4016, 5029)]