20801376

素因数分解:

$2^5\times 3^2\times {\mathrm{72227}}^1$

素因数の和:72243

約数の個数: 36

約数和(自身を含む): 59154732

約数和(自身を除く): 38353356

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 288, 72227, 144454, 216681, 288908, 433362, 577816, 650043, 866724, 1155632, 1300086, 1733448, 2311264, 2600172, 3466896, 5200344, 6933792, 10400688, 20801376]

約数ペア:

[(1, 20801376), (2, 10400688), (3, 6933792), (4, 5200344), (6, 3466896), (8, 2600172), (9, 2311264), (12, 1733448), (16, 1300086), (18, 1155632), (24, 866724), (32, 650043), (36, 577816), (48, 433362), (72, 288908), (96, 216681), (144, 144454), (288, 72227)]