19700360

素因数分解:

$2^3\times 5^1\times {\mathrm{157}}^1\times {\mathrm{3137}}^1$

素因数の和:3305

約数の個数: 32

約数和(自身を含む): 44622360

約数和(自身を除く): 24922000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 157, 314, 628, 785, 1256, 1570, 3137, 3140, 6274, 6280, 12548, 15685, 25096, 31370, 62740, 125480, 492509, 985018, 1970036, 2462545, 3940072, 4925090, 9850180, 19700360]

約数ペア:

[(1, 19700360), (2, 9850180), (4, 4925090), (5, 3940072), (8, 2462545), (10, 1970036), (20, 985018), (40, 492509), (157, 125480), (314, 62740), (628, 31370), (785, 25096), (1256, 15685), (1570, 12548), (3137, 6280), (3140, 6274)]