20062976980

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{311}}^1\times {\mathrm{75013}}^1$

素因数の和:75376

約数の個数: 48

約数和(自身を含む): 43251272064

約数和(自身を除く): 23188295084

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 311, 430, 622, 860, 1244, 1555, 3110, 6220, 13373, 26746, 53492, 66865, 75013, 133730, 150026, 267460, 300052, 375065, 750130, 1500260, 3225559, 6451118, 12902236, 16127795, 23329043, 32255590, 46658086, 64511180, 93316172, 116645215, 233290430, 466580860, 1003148849, 2006297698, 4012595396, 5015744245, 10031488490, 20062976980]

約数ペア:

[(1, 20062976980), (2, 10031488490), (4, 5015744245), (5, 4012595396), (10, 2006297698), (20, 1003148849), (43, 466580860), (86, 233290430), (172, 116645215), (215, 93316172), (311, 64511180), (430, 46658086), (622, 32255590), (860, 23329043), (1244, 16127795), (1555, 12902236), (3110, 6451118), (6220, 3225559), (13373, 1500260), (26746, 750130), (53492, 375065), (66865, 300052), (75013, 267460), (133730, 150026)]