20512281632

素因数分解:

$2^5\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{256301}}^1$

素因数の和:256413

約数の個数: 48

約数和(自身を含む): 42046855704

約数和(自身を除く): 21534574072

約数列:

[1, 2, 4, 8, 16, 32, 41, 61, 82, 122, 164, 244, 328, 488, 656, 976, 1312, 1952, 2501, 5002, 10004, 20008, 40016, 80032, 256301, 512602, 1025204, 2050408, 4100816, 8201632, 10508341, 15634361, 21016682, 31268722, 42033364, 62537444, 84066728, 125074888, 168133456, 250149776, 336266912, 500299552, 641008801, 1282017602, 2564035204, 5128070408, 10256140816, 20512281632]

約数ペア:

[(1, 20512281632), (2, 10256140816), (4, 5128070408), (8, 2564035204), (16, 1282017602), (32, 641008801), (41, 500299552), (61, 336266912), (82, 250149776), (122, 168133456), (164, 125074888), (244, 84066728), (328, 62537444), (488, 42033364), (656, 31268722), (976, 21016682), (1312, 15634361), (1952, 10508341), (2501, 8201632), (5002, 4100816), (10004, 2050408), (20008, 1025204), (40016, 512602), (80032, 256301)]