20216358

素因数分解:

$2^1\times 3^3\times {\mathrm{317}}^1\times {\mathrm{1181}}^1$

素因数の和:1509

約数の個数: 32

約数和(自身を含む): 45105120

約数和(自身を除く): 24888762

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 317, 634, 951, 1181, 1902, 2362, 2853, 3543, 5706, 7086, 8559, 10629, 17118, 21258, 31887, 63774, 374377, 748754, 1123131, 2246262, 3369393, 6738786, 10108179, 20216358]

約数ペア:

[(1, 20216358), (2, 10108179), (3, 6738786), (6, 3369393), (9, 2246262), (18, 1123131), (27, 748754), (54, 374377), (317, 63774), (634, 31887), (951, 21258), (1181, 17118), (1902, 10629), (2362, 8559), (2853, 7086), (3543, 5706)]