20746348

素因数分解:

$2^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{83}}^1\times {\mathrm{113}}^1$

素因数の和:286

約数の個数: 48

約数和(自身を含む): 42900480

約数和(自身を除く): 22154132

約数列:

[1, 2, 4, 7, 14, 28, 79, 83, 113, 158, 166, 226, 316, 332, 452, 553, 581, 791, 1106, 1162, 1582, 2212, 2324, 3164, 6557, 8927, 9379, 13114, 17854, 18758, 26228, 35708, 37516, 45899, 62489, 65653, 91798, 124978, 131306, 183596, 249956, 262612, 740941, 1481882, 2963764, 5186587, 10373174, 20746348]

約数ペア:

[(1, 20746348), (2, 10373174), (4, 5186587), (7, 2963764), (14, 1481882), (28, 740941), (79, 262612), (83, 249956), (113, 183596), (158, 131306), (166, 124978), (226, 91798), (316, 65653), (332, 62489), (452, 45899), (553, 37516), (581, 35708), (791, 26228), (1106, 18758), (1162, 17854), (1582, 13114), (2212, 9379), (2324, 8927), (3164, 6557)]