20522033

素因数分解:

$7^3\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1$

素因数の和:154

約数の個数: 32

約数和(自身を含む): 26112000

約数和(自身を除く): 5589967

約数列:

[1, 7, 19, 47, 49, 67, 133, 329, 343, 469, 893, 931, 1273, 2303, 3149, 3283, 6251, 6517, 8911, 16121, 22043, 22981, 43757, 59831, 62377, 154301, 306299, 418817, 436639, 1080107, 2931719, 20522033]

約数ペア:

[(1, 20522033), (7, 2931719), (19, 1080107), (47, 436639), (49, 418817), (67, 306299), (133, 154301), (329, 62377), (343, 59831), (469, 43757), (893, 22981), (931, 22043), (1273, 16121), (2303, 8911), (3149, 6517), (3283, 6251)]