20129967050

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{142211}}^1$

素因数の和:142391

約数の個数: 48

約数和(自身を含む): 39677148000

約数和(自身を除く): 19547180950

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 95, 149, 190, 298, 475, 745, 950, 1490, 2831, 3725, 5662, 7450, 14155, 28310, 70775, 141550, 142211, 284422, 711055, 1422110, 2702009, 3555275, 5404018, 7110550, 13510045, 21189439, 27020090, 42378878, 67550225, 105947195, 135100450, 211894390, 402599341, 529735975, 805198682, 1059471950, 2012996705, 4025993410, 10064983525, 20129967050]

約数ペア:

[(1, 20129967050), (2, 10064983525), (5, 4025993410), (10, 2012996705), (19, 1059471950), (25, 805198682), (38, 529735975), (50, 402599341), (95, 211894390), (149, 135100450), (190, 105947195), (298, 67550225), (475, 42378878), (745, 27020090), (950, 21189439), (1490, 13510045), (2831, 7110550), (3725, 5404018), (5662, 3555275), (7450, 2702009), (14155, 1422110), (28310, 711055), (70775, 284422), (141550, 142211)]