20296816

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{151}}^1\times {\mathrm{271}}^1$

素因数の和:461

約数の個数: 40

約数和(自身を含む): 41013248

約数和(自身を除く): 20716432

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 151, 248, 271, 302, 496, 542, 604, 1084, 1208, 2168, 2416, 4336, 4681, 8401, 9362, 16802, 18724, 33604, 37448, 40921, 67208, 74896, 81842, 134416, 163684, 327368, 654736, 1268551, 2537102, 5074204, 10148408, 20296816]

約数ペア:

[(1, 20296816), (2, 10148408), (4, 5074204), (8, 2537102), (16, 1268551), (31, 654736), (62, 327368), (124, 163684), (151, 134416), (248, 81842), (271, 74896), (302, 67208), (496, 40921), (542, 37448), (604, 33604), (1084, 18724), (1208, 16802), (2168, 9362), (2416, 8401), (4336, 4681)]