20697978

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{461}}^1\times {\mathrm{1069}}^1$

素因数の和:1542

約数の個数: 32

約数和(自身を含む): 47456640

約数和(自身を除く): 26758662

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 461, 922, 1069, 1383, 2138, 2766, 3207, 3227, 6414, 6454, 7483, 9681, 14966, 19362, 22449, 44898, 492809, 985618, 1478427, 2956854, 3449663, 6899326, 10348989, 20697978]

約数ペア:

[(1, 20697978), (2, 10348989), (3, 6899326), (6, 3449663), (7, 2956854), (14, 1478427), (21, 985618), (42, 492809), (461, 44898), (922, 22449), (1069, 19362), (1383, 14966), (2138, 9681), (2766, 7483), (3207, 6454), (3227, 6414)]