20687558328

素因数分解:

$2^3\times 3^3\times {\mathrm{613}}^1\times {\mathrm{156241}}^1$

素因数の和:156869

約数の個数: 64

約数和(自身を含む): 57559552800

約数和(自身を除く): 36871994472

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 108, 216, 613, 1226, 1839, 2452, 3678, 4904, 5517, 7356, 11034, 14712, 16551, 22068, 33102, 44136, 66204, 132408, 156241, 312482, 468723, 624964, 937446, 1249928, 1406169, 1874892, 2812338, 3749784, 4218507, 5624676, 8437014, 11249352, 16874028, 33748056, 95775733, 191551466, 287327199, 383102932, 574654398, 766205864, 861981597, 1149308796, 1723963194, 2298617592, 2585944791, 3447926388, 5171889582, 6895852776, 10343779164, 20687558328]

約数ペア:

[(1, 20687558328), (2, 10343779164), (3, 6895852776), (4, 5171889582), (6, 3447926388), (8, 2585944791), (9, 2298617592), (12, 1723963194), (18, 1149308796), (24, 861981597), (27, 766205864), (36, 574654398), (54, 383102932), (72, 287327199), (108, 191551466), (216, 95775733), (613, 33748056), (1226, 16874028), (1839, 11249352), (2452, 8437014), (3678, 5624676), (4904, 4218507), (5517, 3749784), (7356, 2812338), (11034, 1874892), (14712, 1406169), (16551, 1249928), (22068, 937446), (33102, 624964), (44136, 468723), (66204, 312482), (132408, 156241)]