20868851008

素因数分解:

$2^6\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{126337}}^1$

素因数の和:126467

約数の個数: 56

約数和(自身を含む): 43321300200

約数和(自身を除く): 22452449192

約数列:

[1, 2, 4, 8, 16, 29, 32, 58, 64, 89, 116, 178, 232, 356, 464, 712, 928, 1424, 1856, 2581, 2848, 5162, 5696, 10324, 20648, 41296, 82592, 126337, 165184, 252674, 505348, 1010696, 2021392, 3663773, 4042784, 7327546, 8085568, 11243993, 14655092, 22487986, 29310184, 44975972, 58620368, 89951944, 117240736, 179903888, 234481472, 326075797, 359807776, 652151594, 719615552, 1304303188, 2608606376, 5217212752, 10434425504, 20868851008]

約数ペア:

[(1, 20868851008), (2, 10434425504), (4, 5217212752), (8, 2608606376), (16, 1304303188), (29, 719615552), (32, 652151594), (58, 359807776), (64, 326075797), (89, 234481472), (116, 179903888), (178, 117240736), (232, 89951944), (356, 58620368), (464, 44975972), (712, 29310184), (928, 22487986), (1424, 14655092), (1856, 11243993), (2581, 8085568), (2848, 7327546), (5162, 4042784), (5696, 3663773), (10324, 2021392), (20648, 1010696), (41296, 505348), (82592, 252674), (126337, 165184)]