20183668336

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{307}}^1\times {\mathrm{18593}}^1$

素因数の和:18938

約数の個数: 80

約数和(自身を含む): 44738949024

約数和(自身を除く): 24555280688

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 34, 52, 68, 104, 136, 208, 221, 272, 307, 442, 614, 884, 1228, 1768, 2456, 3536, 3991, 4912, 5219, 7982, 10438, 15964, 18593, 20876, 31928, 37186, 41752, 63856, 67847, 74372, 83504, 135694, 148744, 241709, 271388, 297488, 316081, 483418, 542776, 632162, 966836, 1085552, 1264324, 1933672, 2528648, 3867344, 4109053, 5057296, 5708051, 8218106, 11416102, 16436212, 22832204, 32872424, 45664408, 65744848, 74204663, 91328816, 97036867, 148409326, 194073734, 296818652, 388147468, 593637304, 776294936, 1187274608, 1261479271, 1552589872, 2522958542, 5045917084, 10091834168, 20183668336]

約数ペア:

[(1, 20183668336), (2, 10091834168), (4, 5045917084), (8, 2522958542), (13, 1552589872), (16, 1261479271), (17, 1187274608), (26, 776294936), (34, 593637304), (52, 388147468), (68, 296818652), (104, 194073734), (136, 148409326), (208, 97036867), (221, 91328816), (272, 74204663), (307, 65744848), (442, 45664408), (614, 32872424), (884, 22832204), (1228, 16436212), (1768, 11416102), (2456, 8218106), (3536, 5708051), (3991, 5057296), (4912, 4109053), (5219, 3867344), (7982, 2528648), (10438, 1933672), (15964, 1264324), (18593, 1085552), (20876, 966836), (31928, 632162), (37186, 542776), (41752, 483418), (63856, 316081), (67847, 297488), (74372, 271388), (83504, 241709), (135694, 148744)]