20884682

素因数分解:

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

素因数の和:152

約数の個数: 48

約数和(自身を含む): 39884040

約数和(自身を除く): 18999358

約数列:

[1, 2, 7, 13, 14, 26, 49, 91, 97, 98, 169, 182, 194, 338, 637, 679, 1183, 1261, 1274, 1358, 2197, 2366, 2522, 4394, 4753, 8281, 8827, 9506, 15379, 16393, 16562, 17654, 30758, 32786, 61789, 107653, 114751, 123578, 213109, 215306, 229502, 426218, 803257, 1491763, 1606514, 2983526, 10442341, 20884682]

約数ペア:

[(1, 20884682), (2, 10442341), (7, 2983526), (13, 1606514), (14, 1491763), (26, 803257), (49, 426218), (91, 229502), (97, 215306), (98, 213109), (169, 123578), (182, 114751), (194, 107653), (338, 61789), (637, 32786), (679, 30758), (1183, 17654), (1261, 16562), (1274, 16393), (1358, 15379), (2197, 9506), (2366, 8827), (2522, 8281), (4394, 4753)]