20972844

素因数分解:

$2^2\times 3^5\times {\mathrm{21577}}^1$

素因数の和:21596

約数の個数: 36

約数和(自身を含む): 54980744

約数和(自身を除く): 34007900

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 243, 324, 486, 972, 21577, 43154, 64731, 86308, 129462, 194193, 258924, 388386, 582579, 776772, 1165158, 1747737, 2330316, 3495474, 5243211, 6990948, 10486422, 20972844]

約数ペア:

[(1, 20972844), (2, 10486422), (3, 6990948), (4, 5243211), (6, 3495474), (9, 2330316), (12, 1747737), (18, 1165158), (27, 776772), (36, 582579), (54, 388386), (81, 258924), (108, 194193), (162, 129462), (243, 86308), (324, 64731), (486, 43154), (972, 21577)]