20915300

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{29879}}^1$

素因数の和:29900

約数の個数: 36

約数和(自身を含む): 51871680

約数和(自身を除く): 30956380

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 140, 175, 350, 700, 29879, 59758, 119516, 149395, 209153, 298790, 418306, 597580, 746975, 836612, 1045765, 1493950, 2091530, 2987900, 4183060, 5228825, 10457650, 20915300]

約数ペア:

[(1, 20915300), (2, 10457650), (4, 5228825), (5, 4183060), (7, 2987900), (10, 2091530), (14, 1493950), (20, 1045765), (25, 836612), (28, 746975), (35, 597580), (50, 418306), (70, 298790), (100, 209153), (140, 149395), (175, 119516), (350, 59758), (700, 29879)]