20009210

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{1033}}^1$

素因数の和:1202

約数の個数: 32

約数和(自身を含む): 39085200

約数和(自身を除く): 19075990

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 149, 298, 745, 1033, 1490, 1937, 2066, 3874, 5165, 9685, 10330, 13429, 19370, 26858, 67145, 134290, 153917, 307834, 769585, 1539170, 2000921, 4001842, 10004605, 20009210]

約数ペア:

[(1, 20009210), (2, 10004605), (5, 4001842), (10, 2000921), (13, 1539170), (26, 769585), (65, 307834), (130, 153917), (149, 134290), (298, 67145), (745, 26858), (1033, 19370), (1490, 13429), (1937, 10330), (2066, 9685), (3874, 5165)]