20562100

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{15817}}^1$

素因数の和:15844

約数の個数: 36

約数和(自身を含む): 48055084

約数和(自身を除く): 27492984

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 325, 650, 1300, 15817, 31634, 63268, 79085, 158170, 205621, 316340, 395425, 411242, 790850, 822484, 1028105, 1581700, 2056210, 4112420, 5140525, 10281050, 20562100]

約数ペア:

[(1, 20562100), (2, 10281050), (4, 5140525), (5, 4112420), (10, 2056210), (13, 1581700), (20, 1028105), (25, 822484), (26, 790850), (50, 411242), (52, 395425), (65, 316340), (100, 205621), (130, 158170), (260, 79085), (325, 63268), (650, 31634), (1300, 15817)]