20153888

素因数分解:

$2^5\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{197}}^1$

素因数の和:369

約数の個数: 48

約数和(自身を含む): 41912640

約数和(自身を除く): 21758752

約数列:

[1, 2, 4, 8, 16, 23, 32, 46, 92, 139, 184, 197, 278, 368, 394, 556, 736, 788, 1112, 1576, 2224, 3152, 3197, 4448, 4531, 6304, 6394, 9062, 12788, 18124, 25576, 27383, 36248, 51152, 54766, 72496, 102304, 109532, 144992, 219064, 438128, 629809, 876256, 1259618, 2519236, 5038472, 10076944, 20153888]

約数ペア:

[(1, 20153888), (2, 10076944), (4, 5038472), (8, 2519236), (16, 1259618), (23, 876256), (32, 629809), (46, 438128), (92, 219064), (139, 144992), (184, 109532), (197, 102304), (278, 72496), (368, 54766), (394, 51152), (556, 36248), (736, 27383), (788, 25576), (1112, 18124), (1576, 12788), (2224, 9062), (3152, 6394), (3197, 6304), (4448, 4531)]