20164035416

素因数分解:

$2^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{331}}^1\times {\mathrm{47297}}^1$

素因数の和:47664

約数の個数: 64

約数和(自身を含む): 45224455680

約数和(自身を除く): 25060420264

約数列:

[1, 2, 4, 7, 8, 14, 23, 28, 46, 56, 92, 161, 184, 322, 331, 644, 662, 1288, 1324, 2317, 2648, 4634, 7613, 9268, 15226, 18536, 30452, 47297, 53291, 60904, 94594, 106582, 189188, 213164, 331079, 378376, 426328, 662158, 1087831, 1324316, 2175662, 2648632, 4351324, 7614817, 8702648, 15229634, 15655307, 30459268, 31310614, 60918536, 62621228, 109587149, 125242456, 219174298, 360072061, 438348596, 720144122, 876697192, 1440288244, 2520504427, 2880576488, 5041008854, 10082017708, 20164035416]

約数ペア:

[(1, 20164035416), (2, 10082017708), (4, 5041008854), (7, 2880576488), (8, 2520504427), (14, 1440288244), (23, 876697192), (28, 720144122), (46, 438348596), (56, 360072061), (92, 219174298), (161, 125242456), (184, 109587149), (322, 62621228), (331, 60918536), (644, 31310614), (662, 30459268), (1288, 15655307), (1324, 15229634), (2317, 8702648), (2648, 7614817), (4634, 4351324), (7613, 2648632), (9268, 2175662), (15226, 1324316), (18536, 1087831), (30452, 662158), (47297, 426328), (53291, 378376), (60904, 331079), (94594, 213164), (106582, 189188)]