20389560

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{169913}}^1$

素因数の和:169927

約数の個数: 32

約数和(自身を含む): 61169040

約数和(自身を除く): 40779480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 169913, 339826, 509739, 679652, 849565, 1019478, 1359304, 1699130, 2038956, 2548695, 3398260, 4077912, 5097390, 6796520, 10194780, 20389560]

約数ペア:

[(1, 20389560), (2, 10194780), (3, 6796520), (4, 5097390), (5, 4077912), (6, 3398260), (8, 2548695), (10, 2038956), (12, 1699130), (15, 1359304), (20, 1019478), (24, 849565), (30, 679652), (40, 509739), (60, 339826), (120, 169913)]