20544080697

素因数分解:

$3^2\times 7^3\times {\mathrm{2543}}^1\times {\mathrm{2617}}^1$

素因数の和:5187

約数の個数: 48

約数和(自身を含む): 34632998400

約数和(自身を除く): 14088917703

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 343, 441, 1029, 2543, 2617, 3087, 7629, 7851, 17801, 18319, 22887, 23553, 53403, 54957, 124607, 128233, 160209, 164871, 373821, 384699, 872249, 897631, 1121463, 1154097, 2616747, 2692893, 6655031, 7850241, 8078679, 19965093, 46585217, 59895279, 139755651, 326096519, 419266953, 978289557, 2282675633, 2934868671, 6848026899, 20544080697]

約数ペア:

[(1, 20544080697), (3, 6848026899), (7, 2934868671), (9, 2282675633), (21, 978289557), (49, 419266953), (63, 326096519), (147, 139755651), (343, 59895279), (441, 46585217), (1029, 19965093), (2543, 8078679), (2617, 7850241), (3087, 6655031), (7629, 2692893), (7851, 2616747), (17801, 1154097), (18319, 1121463), (22887, 897631), (23553, 872249), (53403, 384699), (54957, 373821), (124607, 164871), (128233, 160209)]