20814570

素因数分解:

$2^1\times 3^4\times 5^1\times 7^1\times {\mathrm{3671}}^1$

素因数の和:3697

約数の個数: 80

約数和(自身を含む): 63980928

約数和(自身を除く): 43166358

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 81, 90, 105, 126, 135, 162, 189, 210, 270, 315, 378, 405, 567, 630, 810, 945, 1134, 1890, 2835, 3671, 5670, 7342, 11013, 18355, 22026, 25697, 33039, 36710, 51394, 55065, 66078, 77091, 99117, 110130, 128485, 154182, 165195, 198234, 231273, 256970, 297351, 330390, 385455, 462546, 495585, 594702, 693819, 770910, 991170, 1156365, 1387638, 1486755, 2081457, 2312730, 2973510, 3469095, 4162914, 6938190, 10407285, 20814570]

約数ペア:

[(1, 20814570), (2, 10407285), (3, 6938190), (5, 4162914), (6, 3469095), (7, 2973510), (9, 2312730), (10, 2081457), (14, 1486755), (15, 1387638), (18, 1156365), (21, 991170), (27, 770910), (30, 693819), (35, 594702), (42, 495585), (45, 462546), (54, 385455), (63, 330390), (70, 297351), (81, 256970), (90, 231273), (105, 198234), (126, 165195), (135, 154182), (162, 128485), (189, 110130), (210, 99117), (270, 77091), (315, 66078), (378, 55065), (405, 51394), (567, 36710), (630, 33039), (810, 25697), (945, 22026), (1134, 18355), (1890, 11013), (2835, 7342), (3671, 5670)]