20557878

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{4649}}^1$

素因数の和:4732

約数の個数: 32

約数和(自身を含む): 45532800

約数和(自身を除く): 24974922

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 67, 134, 201, 402, 737, 1474, 2211, 4422, 4649, 9298, 13947, 27894, 51139, 102278, 153417, 306834, 311483, 622966, 934449, 1868898, 3426313, 6852626, 10278939, 20557878]

約数ペア:

[(1, 20557878), (2, 10278939), (3, 6852626), (6, 3426313), (11, 1868898), (22, 934449), (33, 622966), (66, 311483), (67, 306834), (134, 153417), (201, 102278), (402, 51139), (737, 27894), (1474, 13947), (2211, 9298), (4422, 4649)]