20775654

素因数分解:

$2^1\times 3^2\times {\mathrm{73}}^1\times {\mathrm{97}}^1\times {\mathrm{163}}^1$

素因数の和:341

約数の個数: 48

約数和(自身を含む): 46383792

約数和(自身を除く): 25608138

約数列:

[1, 2, 3, 6, 9, 18, 73, 97, 146, 163, 194, 219, 291, 326, 438, 489, 582, 657, 873, 978, 1314, 1467, 1746, 2934, 7081, 11899, 14162, 15811, 21243, 23798, 31622, 35697, 42486, 47433, 63729, 71394, 94866, 107091, 127458, 142299, 214182, 284598, 1154203, 2308406, 3462609, 6925218, 10387827, 20775654]

約数ペア:

[(1, 20775654), (2, 10387827), (3, 6925218), (6, 3462609), (9, 2308406), (18, 1154203), (73, 284598), (97, 214182), (146, 142299), (163, 127458), (194, 107091), (219, 94866), (291, 71394), (326, 63729), (438, 47433), (489, 42486), (582, 35697), (657, 31622), (873, 23798), (978, 21243), (1314, 15811), (1467, 14162), (1746, 11899), (2934, 7081)]