20171505904

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{633209}}^1$

素因数の和:633409

約数の個数: 40

約数和(自身を含む): 42870849840

約数和(自身を除く): 22699343936

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 181, 362, 724, 1448, 1991, 2896, 3982, 7964, 15928, 31856, 633209, 1266418, 2532836, 5065672, 6965299, 10131344, 13930598, 27861196, 55722392, 111444784, 114610829, 229221658, 458443316, 916886632, 1260719119, 1833773264, 2521438238, 5042876476, 10085752952, 20171505904]

約数ペア:

[(1, 20171505904), (2, 10085752952), (4, 5042876476), (8, 2521438238), (11, 1833773264), (16, 1260719119), (22, 916886632), (44, 458443316), (88, 229221658), (176, 114610829), (181, 111444784), (362, 55722392), (724, 27861196), (1448, 13930598), (1991, 10131344), (2896, 6965299), (3982, 5065672), (7964, 2532836), (15928, 1266418), (31856, 633209)]