20427792

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{5527}}^1$

素因数の和:5556

約数の個数: 80

約数和(自身を含む): 65805312

約数和(自身を除く): 45377520

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 14, 16, 21, 22, 24, 28, 33, 42, 44, 48, 56, 66, 77, 84, 88, 112, 132, 154, 168, 176, 231, 264, 308, 336, 462, 528, 616, 924, 1232, 1848, 3696, 5527, 11054, 16581, 22108, 33162, 38689, 44216, 60797, 66324, 77378, 88432, 116067, 121594, 132648, 154756, 182391, 232134, 243188, 265296, 309512, 364782, 425579, 464268, 486376, 619024, 729564, 851158, 928536, 972752, 1276737, 1459128, 1702316, 1857072, 2553474, 2918256, 3404632, 5106948, 6809264, 10213896, 20427792]

約数ペア:

[(1, 20427792), (2, 10213896), (3, 6809264), (4, 5106948), (6, 3404632), (7, 2918256), (8, 2553474), (11, 1857072), (12, 1702316), (14, 1459128), (16, 1276737), (21, 972752), (22, 928536), (24, 851158), (28, 729564), (33, 619024), (42, 486376), (44, 464268), (48, 425579), (56, 364782), (66, 309512), (77, 265296), (84, 243188), (88, 232134), (112, 182391), (132, 154756), (154, 132648), (168, 121594), (176, 116067), (231, 88432), (264, 77378), (308, 66324), (336, 60797), (462, 44216), (528, 38689), (616, 33162), (924, 22108), (1232, 16581), (1848, 11054), (3696, 5527)]