20504764

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{23623}}^1$

素因数の和:23665

約数の個数: 24

約数和(自身を含む): 42334208

約数和(自身を除く): 21829444

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 217, 434, 868, 23623, 47246, 94492, 165361, 330722, 661444, 732313, 1464626, 2929252, 5126191, 10252382, 20504764]

約数ペア:

[(1, 20504764), (2, 10252382), (4, 5126191), (7, 2929252), (14, 1464626), (28, 732313), (31, 661444), (62, 330722), (124, 165361), (217, 94492), (434, 47246), (868, 23623)]