20920788

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{27673}}^1$

素因数の和:27693

約数の個数: 48

約数和(自身を含む): 61989760

約数和(自身を除く): 41068972

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 84, 108, 126, 189, 252, 378, 756, 27673, 55346, 83019, 110692, 166038, 193711, 249057, 332076, 387422, 498114, 581133, 747171, 774844, 996228, 1162266, 1494342, 1743399, 2324532, 2988684, 3486798, 5230197, 6973596, 10460394, 20920788]

約数ペア:

[(1, 20920788), (2, 10460394), (3, 6973596), (4, 5230197), (6, 3486798), (7, 2988684), (9, 2324532), (12, 1743399), (14, 1494342), (18, 1162266), (21, 996228), (27, 774844), (28, 747171), (36, 581133), (42, 498114), (54, 387422), (63, 332076), (84, 249057), (108, 193711), (126, 166038), (189, 110692), (252, 83019), (378, 55346), (756, 27673)]