20996862

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{2749}}^1$

素因数の和:2840

約数の個数: 32

約数和(自身を含む): 44880000

約数和(自身を除く): 23883138

約数列:

[1, 2, 3, 6, 19, 38, 57, 67, 114, 134, 201, 402, 1273, 2546, 2749, 3819, 5498, 7638, 8247, 16494, 52231, 104462, 156693, 184183, 313386, 368366, 552549, 1105098, 3499477, 6998954, 10498431, 20996862]

約数ペア:

[(1, 20996862), (2, 10498431), (3, 6998954), (6, 3499477), (19, 1105098), (38, 552549), (57, 368366), (67, 313386), (114, 184183), (134, 156693), (201, 104462), (402, 52231), (1273, 16494), (2546, 8247), (2749, 7638), (3819, 5498)]