20633438

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{461}}^1$

素因数の和:632

約数の個数: 32

約数和(自身を含む): 37255680

約数和(自身を除く): 16622242

約数列:

[1, 2, 7, 14, 23, 46, 139, 161, 278, 322, 461, 922, 973, 1946, 3197, 3227, 6394, 6454, 10603, 21206, 22379, 44758, 64079, 74221, 128158, 148442, 448553, 897106, 1473817, 2947634, 10316719, 20633438]

約数ペア:

[(1, 20633438), (2, 10316719), (7, 2947634), (14, 1473817), (23, 897106), (46, 448553), (139, 148442), (161, 128158), (278, 74221), (322, 64079), (461, 44758), (922, 22379), (973, 21206), (1946, 10603), (3197, 6454), (3227, 6394)]