20155386080

素因数分解:

$2^5\times 5^1\times {\mathrm{103}}^1\times {\mathrm{1223021}}^1$

素因数の和:1223139

約数の個数: 48

約数和(自身を含む): 48079440864

約数和(自身を除く): 27924054784

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 103, 160, 206, 412, 515, 824, 1030, 1648, 2060, 3296, 4120, 8240, 16480, 1223021, 2446042, 4892084, 6115105, 9784168, 12230210, 19568336, 24460420, 39136672, 48920840, 97841680, 125971163, 195683360, 251942326, 503884652, 629855815, 1007769304, 1259711630, 2015538608, 2519423260, 4031077216, 5038846520, 10077693040, 20155386080]

約数ペア:

[(1, 20155386080), (2, 10077693040), (4, 5038846520), (5, 4031077216), (8, 2519423260), (10, 2015538608), (16, 1259711630), (20, 1007769304), (32, 629855815), (40, 503884652), (80, 251942326), (103, 195683360), (160, 125971163), (206, 97841680), (412, 48920840), (515, 39136672), (824, 24460420), (1030, 19568336), (1648, 12230210), (2060, 9784168), (3296, 6115105), (4120, 4892084), (8240, 2446042), (16480, 1223021)]