20107839999

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{307079}}^1$

素因数の和:307191

約数の個数: 32

約数和(自身を含む): 30540948480

約数和(自身を除く): 10433108481

約数列:

[1, 3, 13, 23, 39, 69, 73, 219, 299, 897, 949, 1679, 2847, 5037, 21827, 65481, 307079, 921237, 3992027, 7062817, 11976081, 21188451, 22416767, 67250301, 91816621, 275449863, 291417971, 515585641, 874253913, 1546756923, 6702613333, 20107839999]

約数ペア:

[(1, 20107839999), (3, 6702613333), (13, 1546756923), (23, 874253913), (39, 515585641), (69, 291417971), (73, 275449863), (219, 91816621), (299, 67250301), (897, 22416767), (949, 21188451), (1679, 11976081), (2847, 7062817), (5037, 3992027), (21827, 921237), (65481, 307079)]