20262778

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{167}}^1$

素因数の和:322

約数の個数: 32

約数和(自身を含む): 33546240

約数和(自身を除く): 13283462

約数列:

[1, 2, 19, 31, 38, 62, 103, 167, 206, 334, 589, 1178, 1957, 3173, 3193, 3914, 5177, 6346, 6386, 10354, 17201, 34402, 60667, 98363, 121334, 196726, 326819, 533231, 653638, 1066462, 10131389, 20262778]

約数ペア:

[(1, 20262778), (2, 10131389), (19, 1066462), (31, 653638), (38, 533231), (62, 326819), (103, 196726), (167, 121334), (206, 98363), (334, 60667), (589, 34402), (1178, 17201), (1957, 10354), (3173, 6386), (3193, 6346), (3914, 5177)]