20512686852

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{251}}^1\times {\mathrm{324301}}^1$

素因数の和:324569

約数の個数: 72

約数和(自身を含む): 59495147712

約数和(自身を除く): 38982460860

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 251, 252, 502, 753, 1004, 1506, 1757, 2259, 3012, 3514, 4518, 5271, 7028, 9036, 10542, 15813, 21084, 31626, 63252, 324301, 648602, 972903, 1297204, 1945806, 2270107, 2918709, 3891612, 4540214, 5837418, 6810321, 9080428, 11674836, 13620642, 20430963, 27241284, 40861926, 81399551, 81723852, 162799102, 244198653, 325598204, 488397306, 569796857, 732595959, 976794612, 1139593714, 1465191918, 1709390571, 2279187428, 2930383836, 3418781142, 5128171713, 6837562284, 10256343426, 20512686852]

約数ペア:

[(1, 20512686852), (2, 10256343426), (3, 6837562284), (4, 5128171713), (6, 3418781142), (7, 2930383836), (9, 2279187428), (12, 1709390571), (14, 1465191918), (18, 1139593714), (21, 976794612), (28, 732595959), (36, 569796857), (42, 488397306), (63, 325598204), (84, 244198653), (126, 162799102), (251, 81723852), (252, 81399551), (502, 40861926), (753, 27241284), (1004, 20430963), (1506, 13620642), (1757, 11674836), (2259, 9080428), (3012, 6810321), (3514, 5837418), (4518, 4540214), (5271, 3891612), (7028, 2918709), (9036, 2270107), (10542, 1945806), (15813, 1297204), (21084, 972903), (31626, 648602), (63252, 324301)]