20663076

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{245989}}^1$

素因数の和:246003

約数の個数: 24

約数和(自身を含む): 55101760

約数和(自身を除く): 34438684

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 245989, 491978, 737967, 983956, 1475934, 1721923, 2951868, 3443846, 5165769, 6887692, 10331538, 20663076]

約数ペア:

[(1, 20663076), (2, 10331538), (3, 6887692), (4, 5165769), (6, 3443846), (7, 2951868), (12, 1721923), (14, 1475934), (21, 983956), (28, 737967), (42, 491978), (84, 245989)]