20512506546

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{173}}^1\times {\mathrm{941027}}^1$

素因数の和:941215

約数の個数: 48

約数和(自身を含む): 51086528064

約数和(自身を除く): 30574021518

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 173, 346, 519, 1038, 1211, 1557, 2422, 3114, 3633, 7266, 10899, 21798, 941027, 1882054, 2823081, 5646162, 6587189, 8469243, 13174378, 16938486, 19761567, 39523134, 59284701, 118569402, 162797671, 325595342, 488393013, 976786026, 1139583697, 1465179039, 2279167394, 2930358078, 3418751091, 6837502182, 10256253273, 20512506546]

約数ペア:

[(1, 20512506546), (2, 10256253273), (3, 6837502182), (6, 3418751091), (7, 2930358078), (9, 2279167394), (14, 1465179039), (18, 1139583697), (21, 976786026), (42, 488393013), (63, 325595342), (126, 162797671), (173, 118569402), (346, 59284701), (519, 39523134), (1038, 19761567), (1211, 16938486), (1557, 13174378), (2422, 8469243), (3114, 6587189), (3633, 5646162), (7266, 2823081), (10899, 1882054), (21798, 941027)]