20215402576

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{4969}}^1\times {\mathrm{14957}}^1$

素因数の和:19951

約数の個数: 40

約数和(自身を含む): 41482423080

約数和(自身を除く): 21267020504

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 4969, 9938, 14957, 19876, 29914, 39752, 59828, 79504, 84473, 119656, 168946, 239312, 254269, 337892, 508538, 675784, 1017076, 1351568, 2034152, 4068304, 74321333, 148642666, 297285332, 594570664, 1189141328, 1263462661, 2526925322, 5053850644, 10107701288, 20215402576]

約数ペア:

[(1, 20215402576), (2, 10107701288), (4, 5053850644), (8, 2526925322), (16, 1263462661), (17, 1189141328), (34, 594570664), (68, 297285332), (136, 148642666), (272, 74321333), (4969, 4068304), (9938, 2034152), (14957, 1351568), (19876, 1017076), (29914, 675784), (39752, 508538), (59828, 337892), (79504, 254269), (84473, 239312), (119656, 168946)]