20206550

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{4441}}^1$

素因数の和:4473

約数の個数: 48

約数和(自身を含む): 46267872

約数和(自身を除く): 26061322

約数列:

[1, 2, 5, 7, 10, 13, 14, 25, 26, 35, 50, 65, 70, 91, 130, 175, 182, 325, 350, 455, 650, 910, 2275, 4441, 4550, 8882, 22205, 31087, 44410, 57733, 62174, 111025, 115466, 155435, 222050, 288665, 310870, 404131, 577330, 777175, 808262, 1443325, 1554350, 2020655, 2886650, 4041310, 10103275, 20206550]

約数ペア:

[(1, 20206550), (2, 10103275), (5, 4041310), (7, 2886650), (10, 2020655), (13, 1554350), (14, 1443325), (25, 808262), (26, 777175), (35, 577330), (50, 404131), (65, 310870), (70, 288665), (91, 222050), (130, 155435), (175, 115466), (182, 111025), (325, 62174), (350, 57733), (455, 44410), (650, 31087), (910, 22205), (2275, 8882), (4441, 4550)]