20669328

素因数分解:

$2^4\times 3^2\times {\mathrm{143537}}^1$

素因数の和:143551

約数の個数: 30

約数和(自身を含む): 57845814

約数和(自身を除く): 37176486

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 143537, 287074, 430611, 574148, 861222, 1148296, 1291833, 1722444, 2296592, 2583666, 3444888, 5167332, 6889776, 10334664, 20669328]

約数ペア:

[(1, 20669328), (2, 10334664), (3, 6889776), (4, 5167332), (6, 3444888), (8, 2583666), (9, 2296592), (12, 1722444), (16, 1291833), (18, 1148296), (24, 861222), (36, 574148), (48, 430611), (72, 287074), (144, 143537)]