20176483184

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{518729}}^1$

素因数の和:518778

約数の個数: 80

約数和(自身を含む): 48627825120

約数和(自身を除く): 28451341936

約数列:

[1, 2, 4, 8, 11, 13, 16, 17, 22, 26, 34, 44, 52, 68, 88, 104, 136, 143, 176, 187, 208, 221, 272, 286, 374, 442, 572, 748, 884, 1144, 1496, 1768, 2288, 2431, 2992, 3536, 4862, 9724, 19448, 38896, 518729, 1037458, 2074916, 4149832, 5706019, 6743477, 8299664, 8818393, 11412038, 13486954, 17636786, 22824076, 26973908, 35273572, 45648152, 53947816, 70547144, 74178247, 91296304, 97002323, 107895632, 114639109, 141094288, 148356494, 194004646, 229278218, 296712988, 388009292, 458556436, 593425976, 776018584, 917112872, 1186851952, 1261030199, 1552037168, 1834225744, 2522060398, 5044120796, 10088241592, 20176483184]

約数ペア:

[(1, 20176483184), (2, 10088241592), (4, 5044120796), (8, 2522060398), (11, 1834225744), (13, 1552037168), (16, 1261030199), (17, 1186851952), (22, 917112872), (26, 776018584), (34, 593425976), (44, 458556436), (52, 388009292), (68, 296712988), (88, 229278218), (104, 194004646), (136, 148356494), (143, 141094288), (176, 114639109), (187, 107895632), (208, 97002323), (221, 91296304), (272, 74178247), (286, 70547144), (374, 53947816), (442, 45648152), (572, 35273572), (748, 26973908), (884, 22824076), (1144, 17636786), (1496, 13486954), (1768, 11412038), (2288, 8818393), (2431, 8299664), (2992, 6743477), (3536, 5706019), (4862, 4149832), (9724, 2074916), (19448, 1037458), (38896, 518729)]