19912920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{165941}}^1$

素因数の和:165955

約数の個数: 32

約数和(自身を含む): 59739120

約数和(自身を除く): 39826200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 165941, 331882, 497823, 663764, 829705, 995646, 1327528, 1659410, 1991292, 2489115, 3318820, 3982584, 4978230, 6637640, 9956460, 19912920]

約数ペア:

[(1, 19912920), (2, 9956460), (3, 6637640), (4, 4978230), (5, 3982584), (6, 3318820), (8, 2489115), (10, 1991292), (12, 1659410), (15, 1327528), (20, 995646), (24, 829705), (30, 663764), (40, 497823), (60, 331882), (120, 165941)]