20348901872

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{491}}^1\times {\mathrm{8663}}^1$

素因数の和:9198

約数の個数: 80

約数和(自身を含む): 44400158208

約数和(自身を除く): 24051256336

約数列:

[1, 2, 4, 8, 13, 16, 23, 26, 46, 52, 92, 104, 184, 208, 299, 368, 491, 598, 982, 1196, 1964, 2392, 3928, 4784, 6383, 7856, 8663, 11293, 12766, 17326, 22586, 25532, 34652, 45172, 51064, 69304, 90344, 102128, 112619, 138608, 146809, 180688, 199249, 225238, 293618, 398498, 450476, 587236, 796996, 900952, 1174472, 1593992, 1801904, 2348944, 2590237, 3187984, 4253533, 5180474, 8507066, 10360948, 17014132, 20721896, 34028264, 41443792, 55295929, 68056528, 97831259, 110591858, 195662518, 221183716, 391325036, 442367432, 782650072, 884734864, 1271806367, 1565300144, 2543612734, 5087225468, 10174450936, 20348901872]

約数ペア:

[(1, 20348901872), (2, 10174450936), (4, 5087225468), (8, 2543612734), (13, 1565300144), (16, 1271806367), (23, 884734864), (26, 782650072), (46, 442367432), (52, 391325036), (92, 221183716), (104, 195662518), (184, 110591858), (208, 97831259), (299, 68056528), (368, 55295929), (491, 41443792), (598, 34028264), (982, 20721896), (1196, 17014132), (1964, 10360948), (2392, 8507066), (3928, 5180474), (4784, 4253533), (6383, 3187984), (7856, 2590237), (8663, 2348944), (11293, 1801904), (12766, 1593992), (17326, 1174472), (22586, 900952), (25532, 796996), (34652, 587236), (45172, 450476), (51064, 398498), (69304, 293618), (90344, 225238), (102128, 199249), (112619, 180688), (138608, 146809)]