20450190

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{681673}}^1$

素因数の和:681683

約数の個数: 16

約数和(自身を含む): 49080528

約数和(自身を除く): 28630338

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 681673, 1363346, 2045019, 3408365, 4090038, 6816730, 10225095, 20450190]

約数ペア:

[(1, 20450190), (2, 10225095), (3, 6816730), (5, 4090038), (6, 3408365), (10, 2045019), (15, 1363346), (30, 681673)]