20096860

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{20507}}^1$

素因数の和:20530

約数の個数: 36

約数和(自身を含む): 49096152

約数和(自身を除く): 28999292

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 20507, 41014, 82028, 102535, 143549, 205070, 287098, 410140, 574196, 717745, 1004843, 1435490, 2009686, 2870980, 4019372, 5024215, 10048430, 20096860]

約数ペア:

[(1, 20096860), (2, 10048430), (4, 5024215), (5, 4019372), (7, 2870980), (10, 2009686), (14, 1435490), (20, 1004843), (28, 717745), (35, 574196), (49, 410140), (70, 287098), (98, 205070), (140, 143549), (196, 102535), (245, 82028), (490, 41014), (980, 20507)]