20084784

素因数分解:

$2^4\times 3^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{263}}^1$

素因数の和:354

約数の個数: 80

約数和(自身を含む): 54734592

約数和(自身を除く): 34649808

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 37, 43, 48, 74, 86, 111, 129, 148, 172, 222, 258, 263, 296, 344, 444, 516, 526, 592, 688, 789, 888, 1032, 1052, 1578, 1591, 1776, 2064, 2104, 3156, 3182, 4208, 4773, 6312, 6364, 9546, 9731, 11309, 12624, 12728, 19092, 19462, 22618, 25456, 29193, 33927, 38184, 38924, 45236, 58386, 67854, 76368, 77848, 90472, 116772, 135708, 155696, 180944, 233544, 271416, 418433, 467088, 542832, 836866, 1255299, 1673732, 2510598, 3347464, 5021196, 6694928, 10042392, 20084784]

約数ペア:

[(1, 20084784), (2, 10042392), (3, 6694928), (4, 5021196), (6, 3347464), (8, 2510598), (12, 1673732), (16, 1255299), (24, 836866), (37, 542832), (43, 467088), (48, 418433), (74, 271416), (86, 233544), (111, 180944), (129, 155696), (148, 135708), (172, 116772), (222, 90472), (258, 77848), (263, 76368), (296, 67854), (344, 58386), (444, 45236), (516, 38924), (526, 38184), (592, 33927), (688, 29193), (789, 25456), (888, 22618), (1032, 19462), (1052, 19092), (1578, 12728), (1591, 12624), (1776, 11309), (2064, 9731), (2104, 9546), (3156, 6364), (3182, 6312), (4208, 4773)]