20408873193

素因数分解:

$3^2\times {\mathrm{79}}^1\times {\mathrm{163}}^1\times {\mathrm{229}}^1\times {\mathrm{769}}^1$

素因数の和:1246

約数の個数: 48

約数和(自身を含む): 30206176000

約数和(自身を除く): 9797302807

約数列:

[1, 3, 9, 79, 163, 229, 237, 489, 687, 711, 769, 1467, 2061, 2307, 6921, 12877, 18091, 37327, 38631, 54273, 60751, 111981, 115893, 125347, 162819, 176101, 182253, 335943, 376041, 528303, 546759, 1128123, 1584909, 2948833, 8846499, 9902413, 13911979, 26539497, 28704463, 29707239, 41735937, 86113389, 89121717, 125207811, 258340167, 2267652577, 6802957731, 20408873193]

約数ペア:

[(1, 20408873193), (3, 6802957731), (9, 2267652577), (79, 258340167), (163, 125207811), (229, 89121717), (237, 86113389), (489, 41735937), (687, 29707239), (711, 28704463), (769, 26539497), (1467, 13911979), (2061, 9902413), (2307, 8846499), (6921, 2948833), (12877, 1584909), (18091, 1128123), (37327, 546759), (38631, 528303), (54273, 376041), (60751, 335943), (111981, 182253), (115893, 176101), (125347, 162819)]