20890758

素因数分解:

$2^1\times 3^1\times 7^3\times {\mathrm{10151}}^1$

素因数の和:10177

約数の個数: 32

約数和(自身を含む): 48729600

約数和(自身を除く): 27838842

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 147, 294, 343, 686, 1029, 2058, 10151, 20302, 30453, 60906, 71057, 142114, 213171, 426342, 497399, 994798, 1492197, 2984394, 3481793, 6963586, 10445379, 20890758]

約数ペア:

[(1, 20890758), (2, 10445379), (3, 6963586), (6, 3481793), (7, 2984394), (14, 1492197), (21, 994798), (42, 497399), (49, 426342), (98, 213171), (147, 142114), (294, 71057), (343, 60906), (686, 30453), (1029, 20302), (2058, 10151)]