20071233

素因数分解:

$3^4\times 7^2\times {\mathrm{13}}^1\times {\mathrm{389}}^1$

素因数の和:428

約数の個数: 60

約数和(自身を含む): 37657620

約数和(自身を除く): 17586387

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 49, 63, 81, 91, 117, 147, 189, 273, 351, 389, 441, 567, 637, 819, 1053, 1167, 1323, 1911, 2457, 2723, 3501, 3969, 5057, 5733, 7371, 8169, 10503, 15171, 17199, 19061, 24507, 31509, 35399, 45513, 51597, 57183, 73521, 106197, 136539, 171549, 220563, 247793, 318591, 409617, 514647, 743379, 955773, 1543941, 2230137, 2867319, 6690411, 20071233]

約数ペア:

[(1, 20071233), (3, 6690411), (7, 2867319), (9, 2230137), (13, 1543941), (21, 955773), (27, 743379), (39, 514647), (49, 409617), (63, 318591), (81, 247793), (91, 220563), (117, 171549), (147, 136539), (189, 106197), (273, 73521), (351, 57183), (389, 51597), (441, 45513), (567, 35399), (637, 31509), (819, 24507), (1053, 19061), (1167, 17199), (1323, 15171), (1911, 10503), (2457, 8169), (2723, 7371), (3501, 5733), (3969, 5057)]