20529747

素因数分解:

$3^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{5717}}^1$

素因数の和:5752

約数の個数: 32

約数和(自身を含む): 36595200

約数和(自身を除く): 16065453

約数列:

[1, 3, 7, 9, 19, 21, 27, 57, 63, 133, 171, 189, 399, 513, 1197, 3591, 5717, 17151, 40019, 51453, 108623, 120057, 154359, 325869, 360171, 760361, 977607, 1080513, 2281083, 2932821, 6843249, 20529747]

約数ペア:

[(1, 20529747), (3, 6843249), (7, 2932821), (9, 2281083), (19, 1080513), (21, 977607), (27, 760361), (57, 360171), (63, 325869), (133, 154359), (171, 120057), (189, 108623), (399, 51453), (513, 40019), (1197, 17151), (3591, 5717)]