20009961205

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^2\times {\mathrm{331}}^1\times {\mathrm{503}}^1$

素因数の和:938

約数の個数: 48

約数和(自身を含む): 26607159936

約数和(自身を除く): 6597198731

約数列:

[1, 5, 13, 43, 65, 215, 331, 503, 559, 1655, 1849, 2515, 2795, 4303, 6539, 9245, 14233, 21515, 21629, 24037, 32695, 71165, 108145, 120185, 166493, 185029, 281177, 612019, 832465, 925145, 930047, 1405885, 2164409, 3060095, 4650235, 7159199, 7956247, 10822045, 12090611, 35795995, 39781235, 60453055, 93069587, 307845557, 465347935, 1539227785, 4001992241, 20009961205]

約数ペア:

[(1, 20009961205), (5, 4001992241), (13, 1539227785), (43, 465347935), (65, 307845557), (215, 93069587), (331, 60453055), (503, 39781235), (559, 35795995), (1655, 12090611), (1849, 10822045), (2515, 7956247), (2795, 7159199), (4303, 4650235), (6539, 3060095), (9245, 2164409), (14233, 1405885), (21515, 930047), (21629, 925145), (24037, 832465), (32695, 612019), (71165, 281177), (108145, 185029), (120185, 166493)]