20280816

素因数分解:

$2^4\times 3^2\times {\mathrm{140839}}^1$

素因数の和:140853

約数の個数: 30

約数和(自身を含む): 56758520

約数和(自身を除く): 36477704

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 140839, 281678, 422517, 563356, 845034, 1126712, 1267551, 1690068, 2253424, 2535102, 3380136, 5070204, 6760272, 10140408, 20280816]

約数ペア:

[(1, 20280816), (2, 10140408), (3, 6760272), (4, 5070204), (6, 3380136), (8, 2535102), (9, 2253424), (12, 1690068), (16, 1267551), (18, 1126712), (24, 845034), (36, 563356), (48, 422517), (72, 281678), (144, 140839)]