20342227736

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{97}}^1\times {\mathrm{639371}}^1$

素因数の和:639515

約数の個数: 32

約数和(自身を含む): 39474827280

約数和(自身を除く): 19132599544

約数列:

[1, 2, 4, 8, 41, 82, 97, 164, 194, 328, 388, 776, 3977, 7954, 15908, 31816, 639371, 1278742, 2557484, 5114968, 26214211, 52428422, 62018987, 104856844, 124037974, 209713688, 248075948, 496151896, 2542778467, 5085556934, 10171113868, 20342227736]

約数ペア:

[(1, 20342227736), (2, 10171113868), (4, 5085556934), (8, 2542778467), (41, 496151896), (82, 248075948), (97, 209713688), (164, 124037974), (194, 104856844), (328, 62018987), (388, 52428422), (776, 26214211), (3977, 5114968), (7954, 2557484), (15908, 1278742), (31816, 639371)]