20867028

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{197}}^1$

素因数の和:321

約数の個数: 96

約数和(自身を含む): 60850944

約数和(自身を除く): 39983916

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 39, 42, 52, 78, 84, 91, 97, 156, 182, 194, 197, 273, 291, 364, 388, 394, 546, 582, 591, 679, 788, 1092, 1164, 1182, 1261, 1358, 1379, 2037, 2364, 2522, 2561, 2716, 2758, 3783, 4074, 4137, 5044, 5122, 5516, 7566, 7683, 8148, 8274, 8827, 10244, 15132, 15366, 16548, 17654, 17927, 19109, 26481, 30732, 35308, 35854, 38218, 52962, 53781, 57327, 71708, 76436, 105924, 107562, 114654, 133763, 215124, 229308, 248417, 267526, 401289, 496834, 535052, 745251, 802578, 993668, 1490502, 1605156, 1738919, 2981004, 3477838, 5216757, 6955676, 10433514, 20867028]

約数ペア:

[(1, 20867028), (2, 10433514), (3, 6955676), (4, 5216757), (6, 3477838), (7, 2981004), (12, 1738919), (13, 1605156), (14, 1490502), (21, 993668), (26, 802578), (28, 745251), (39, 535052), (42, 496834), (52, 401289), (78, 267526), (84, 248417), (91, 229308), (97, 215124), (156, 133763), (182, 114654), (194, 107562), (197, 105924), (273, 76436), (291, 71708), (364, 57327), (388, 53781), (394, 52962), (546, 38218), (582, 35854), (591, 35308), (679, 30732), (788, 26481), (1092, 19109), (1164, 17927), (1182, 17654), (1261, 16548), (1358, 15366), (1379, 15132), (2037, 10244), (2364, 8827), (2522, 8274), (2561, 8148), (2716, 7683), (2758, 7566), (3783, 5516), (4074, 5122), (4137, 5044)]