20124821864

素因数分解:

$2^3\times 7^1\times {\mathrm{661}}^1\times {\mathrm{543679}}^1$

素因数の和:544353

約数の個数: 32

約数和(自身を含む): 43189939200

約数和(自身を除く): 23065117336

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 661, 1322, 2644, 4627, 5288, 9254, 18508, 37016, 543679, 1087358, 2174716, 3805753, 4349432, 7611506, 15223012, 30446024, 359371819, 718743638, 1437487276, 2515602733, 2874974552, 5031205466, 10062410932, 20124821864]

約数ペア:

[(1, 20124821864), (2, 10062410932), (4, 5031205466), (7, 2874974552), (8, 2515602733), (14, 1437487276), (28, 718743638), (56, 359371819), (661, 30446024), (1322, 15223012), (2644, 7611506), (4627, 4349432), (5288, 3805753), (9254, 2174716), (18508, 1087358), (37016, 543679)]