20737590

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{389}}^1\times {\mathrm{1777}}^1$

素因数の和:2176

約数の個数: 32

約数和(自身を含む): 49926240

約数和(自身を除く): 29188650

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 389, 778, 1167, 1777, 1945, 2334, 3554, 3890, 5331, 5835, 8885, 10662, 11670, 17770, 26655, 53310, 691253, 1382506, 2073759, 3456265, 4147518, 6912530, 10368795, 20737590]

約数ペア:

[(1, 20737590), (2, 10368795), (3, 6912530), (5, 4147518), (6, 3456265), (10, 2073759), (15, 1382506), (30, 691253), (389, 53310), (778, 26655), (1167, 17770), (1777, 11670), (1945, 10662), (2334, 8885), (3554, 5835), (3890, 5331)]