20701146

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{103}}^1$

素因数の和:211

約数の個数: 64

約数和(自身を含む): 46126080

約数和(自身を除く): 25424934

約数列:

[1, 2, 3, 6, 19, 38, 41, 43, 57, 82, 86, 103, 114, 123, 129, 206, 246, 258, 309, 618, 779, 817, 1558, 1634, 1763, 1957, 2337, 2451, 3526, 3914, 4223, 4429, 4674, 4902, 5289, 5871, 8446, 8858, 10578, 11742, 12669, 13287, 25338, 26574, 33497, 66994, 80237, 84151, 100491, 160474, 168302, 181589, 200982, 240711, 252453, 363178, 481422, 504906, 544767, 1089534, 3450191, 6900382, 10350573, 20701146]

約数ペア:

[(1, 20701146), (2, 10350573), (3, 6900382), (6, 3450191), (19, 1089534), (38, 544767), (41, 504906), (43, 481422), (57, 363178), (82, 252453), (86, 240711), (103, 200982), (114, 181589), (123, 168302), (129, 160474), (206, 100491), (246, 84151), (258, 80237), (309, 66994), (618, 33497), (779, 26574), (817, 25338), (1558, 13287), (1634, 12669), (1763, 11742), (1957, 10578), (2337, 8858), (2451, 8446), (3526, 5871), (3914, 5289), (4223, 4902), (4429, 4674)]