20897600

素因数分解:

$2^6\times 5^2\times {\mathrm{37}}^1\times {\mathrm{353}}^1$

素因数の和:412

約数の個数: 84

約数和(自身を含む): 52960524

約数和(自身を除く): 32062924

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 37, 40, 50, 64, 74, 80, 100, 148, 160, 185, 200, 296, 320, 353, 370, 400, 592, 706, 740, 800, 925, 1184, 1412, 1480, 1600, 1765, 1850, 2368, 2824, 2960, 3530, 3700, 5648, 5920, 7060, 7400, 8825, 11296, 11840, 13061, 14120, 14800, 17650, 22592, 26122, 28240, 29600, 35300, 52244, 56480, 59200, 65305, 70600, 104488, 112960, 130610, 141200, 208976, 261220, 282400, 326525, 417952, 522440, 564800, 653050, 835904, 1044880, 1306100, 2089760, 2612200, 4179520, 5224400, 10448800, 20897600]

約数ペア:

[(1, 20897600), (2, 10448800), (4, 5224400), (5, 4179520), (8, 2612200), (10, 2089760), (16, 1306100), (20, 1044880), (25, 835904), (32, 653050), (37, 564800), (40, 522440), (50, 417952), (64, 326525), (74, 282400), (80, 261220), (100, 208976), (148, 141200), (160, 130610), (185, 112960), (200, 104488), (296, 70600), (320, 65305), (353, 59200), (370, 56480), (400, 52244), (592, 35300), (706, 29600), (740, 28240), (800, 26122), (925, 22592), (1184, 17650), (1412, 14800), (1480, 14120), (1600, 13061), (1765, 11840), (1850, 11296), (2368, 8825), (2824, 7400), (2960, 7060), (3530, 5920), (3700, 5648)]