20097870

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{1777}}^1$

素因数の和:1829

約数の個数: 64

約数和(自身を含む): 53766720

約数和(自身を除く): 33668850

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 29, 30, 39, 58, 65, 78, 87, 130, 145, 174, 195, 290, 377, 390, 435, 754, 870, 1131, 1777, 1885, 2262, 3554, 3770, 5331, 5655, 8885, 10662, 11310, 17770, 23101, 26655, 46202, 51533, 53310, 69303, 103066, 115505, 138606, 154599, 231010, 257665, 309198, 346515, 515330, 669929, 693030, 772995, 1339858, 1545990, 2009787, 3349645, 4019574, 6699290, 10048935, 20097870]

約数ペア:

[(1, 20097870), (2, 10048935), (3, 6699290), (5, 4019574), (6, 3349645), (10, 2009787), (13, 1545990), (15, 1339858), (26, 772995), (29, 693030), (30, 669929), (39, 515330), (58, 346515), (65, 309198), (78, 257665), (87, 231010), (130, 154599), (145, 138606), (174, 115505), (195, 103066), (290, 69303), (377, 53310), (390, 51533), (435, 46202), (754, 26655), (870, 23101), (1131, 17770), (1777, 11310), (1885, 10662), (2262, 8885), (3554, 5655), (3770, 5331)]