20147802616

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{857}}^1\times {\mathrm{154669}}^1$

素因数の和:155551

約数の個数: 32

約数和(自身を含む): 39812058000

約数和(自身を除く): 19664255384

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 857, 1714, 3428, 6856, 16283, 32566, 65132, 130264, 154669, 309338, 618676, 1237352, 2938711, 5877422, 11754844, 23509688, 132551333, 265102666, 530205332, 1060410664, 2518475327, 5036950654, 10073901308, 20147802616]

約数ペア:

[(1, 20147802616), (2, 10073901308), (4, 5036950654), (8, 2518475327), (19, 1060410664), (38, 530205332), (76, 265102666), (152, 132551333), (857, 23509688), (1714, 11754844), (3428, 5877422), (6856, 2938711), (16283, 1237352), (32566, 618676), (65132, 309338), (130264, 154669)]