20123254158

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{2789}}^1\times {\mathrm{4643}}^1$

素因数の和:7481

約数の個数: 64

約数和(自身を含む): 47266260480

約数和(自身を除く): 27143006322

約数列:

[1, 2, 3, 6, 7, 14, 21, 37, 42, 74, 111, 222, 259, 518, 777, 1554, 2789, 4643, 5578, 8367, 9286, 13929, 16734, 19523, 27858, 32501, 39046, 58569, 65002, 97503, 103193, 117138, 171791, 195006, 206386, 309579, 343582, 515373, 619158, 722351, 1030746, 1202537, 1444702, 2167053, 2405074, 3607611, 4334106, 7215222, 12949327, 25898654, 38847981, 77695962, 90645289, 181290578, 271935867, 479125099, 543871734, 958250198, 1437375297, 2874750594, 3353875693, 6707751386, 10061627079, 20123254158]

約数ペア:

[(1, 20123254158), (2, 10061627079), (3, 6707751386), (6, 3353875693), (7, 2874750594), (14, 1437375297), (21, 958250198), (37, 543871734), (42, 479125099), (74, 271935867), (111, 181290578), (222, 90645289), (259, 77695962), (518, 38847981), (777, 25898654), (1554, 12949327), (2789, 7215222), (4643, 4334106), (5578, 3607611), (8367, 2405074), (9286, 2167053), (13929, 1444702), (16734, 1202537), (19523, 1030746), (27858, 722351), (32501, 619158), (39046, 515373), (58569, 343582), (65002, 309579), (97503, 206386), (103193, 195006), (117138, 171791)]