20578767

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{1427}}^1$

素因数の和:1483

約数の個数: 32

約数和(自身を含む): 32901120

約数和(自身を除く): 12322353

約数列:

[1, 3, 11, 19, 23, 33, 57, 69, 209, 253, 437, 627, 759, 1311, 1427, 4281, 4807, 14421, 15697, 27113, 32821, 47091, 81339, 98463, 298243, 361031, 623599, 894729, 1083093, 1870797, 6859589, 20578767]

約数ペア:

[(1, 20578767), (3, 6859589), (11, 1870797), (19, 1083093), (23, 894729), (33, 623599), (57, 361031), (69, 298243), (209, 98463), (253, 81339), (437, 47091), (627, 32821), (759, 27113), (1311, 15697), (1427, 14421), (4281, 4807)]