20508618

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{241}}^1\times {\mathrm{1091}}^1$

素因数の和:1350

約数の個数: 32

約数和(自身を含む): 44396352

約数和(自身を除く): 23887734

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 241, 482, 723, 1091, 1446, 2182, 3133, 3273, 6266, 6546, 9399, 14183, 18798, 28366, 42549, 85098, 262931, 525862, 788793, 1577586, 3418103, 6836206, 10254309, 20508618]

約数ペア:

[(1, 20508618), (2, 10254309), (3, 6836206), (6, 3418103), (13, 1577586), (26, 788793), (39, 525862), (78, 262931), (241, 85098), (482, 42549), (723, 28366), (1091, 18798), (1446, 14183), (2182, 9399), (3133, 6546), (3273, 6266)]