20104570

素因数分解:

$2^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{131}}^1\times {\mathrm{149}}^1$

素因数の和:390

約数の個数: 32

約数和(自身を含む): 37065600

約数和(自身を除く): 16961030

約数列:

[1, 2, 5, 10, 103, 131, 149, 206, 262, 298, 515, 655, 745, 1030, 1310, 1490, 13493, 15347, 19519, 26986, 30694, 39038, 67465, 76735, 97595, 134930, 153470, 195190, 2010457, 4020914, 10052285, 20104570]

約数ペア:

[(1, 20104570), (2, 10052285), (5, 4020914), (10, 2010457), (103, 195190), (131, 153470), (149, 134930), (206, 97595), (262, 76735), (298, 67465), (515, 39038), (655, 30694), (745, 26986), (1030, 19519), (1310, 15347), (1490, 13493)]