20335256

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{167}}^1\times {\mathrm{491}}^1$

素因数の和:695

約数の個数: 32

約数和(自身を含む): 39674880

約数和(自身を除く): 19339624

約数列:

[1, 2, 4, 8, 31, 62, 124, 167, 248, 334, 491, 668, 982, 1336, 1964, 3928, 5177, 10354, 15221, 20708, 30442, 41416, 60884, 81997, 121768, 163994, 327988, 655976, 2541907, 5083814, 10167628, 20335256]

約数ペア:

[(1, 20335256), (2, 10167628), (4, 5083814), (8, 2541907), (31, 655976), (62, 327988), (124, 163994), (167, 121768), (248, 81997), (334, 60884), (491, 41416), (668, 30442), (982, 20708), (1336, 15221), (1964, 10354), (3928, 5177)]