20244550

素因数分解:

$2^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{353}}^1$

素因数の和:433

約数の個数: 48

約数和(自身を含む): 40033152

約数和(自身を除く): 19788602

約数列:

[1, 2, 5, 10, 25, 31, 37, 50, 62, 74, 155, 185, 310, 353, 370, 706, 775, 925, 1147, 1550, 1765, 1850, 2294, 3530, 5735, 8825, 10943, 11470, 13061, 17650, 21886, 26122, 28675, 54715, 57350, 65305, 109430, 130610, 273575, 326525, 404891, 547150, 653050, 809782, 2024455, 4048910, 10122275, 20244550]

約数ペア:

[(1, 20244550), (2, 10122275), (5, 4048910), (10, 2024455), (25, 809782), (31, 653050), (37, 547150), (50, 404891), (62, 326525), (74, 273575), (155, 130610), (185, 109430), (310, 65305), (353, 57350), (370, 54715), (706, 28675), (775, 26122), (925, 21886), (1147, 17650), (1550, 13061), (1765, 11470), (1850, 10943), (2294, 8825), (3530, 5735)]