20007980025

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{1054439}}^1$

素因数の和:1054486

約数の個数: 48

約数和(自身を含む): 37656161280

約数和(自身を除く): 17648181255

約数列:

[1, 3, 5, 11, 15, 23, 25, 33, 55, 69, 75, 115, 165, 253, 275, 345, 575, 759, 825, 1265, 1725, 3795, 6325, 18975, 1054439, 3163317, 5272195, 11598829, 15816585, 24252097, 26360975, 34796487, 57994145, 72756291, 79082925, 121260485, 173982435, 266773067, 289970725, 363781455, 606302425, 800319201, 869912175, 1333865335, 1818907275, 4001596005, 6669326675, 20007980025]

約数ペア:

[(1, 20007980025), (3, 6669326675), (5, 4001596005), (11, 1818907275), (15, 1333865335), (23, 869912175), (25, 800319201), (33, 606302425), (55, 363781455), (69, 289970725), (75, 266773067), (115, 173982435), (165, 121260485), (253, 79082925), (275, 72756291), (345, 57994145), (575, 34796487), (759, 26360975), (825, 24252097), (1265, 15816585), (1725, 11598829), (3795, 5272195), (6325, 3163317), (18975, 1054439)]