15893020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{5557}}^1$

素因数の和:5590

約数の個数: 48

約数和(自身を含む): 39217248

約数和(自身を除く): 23324228

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 130, 143, 220, 260, 286, 572, 715, 1430, 2860, 5557, 11114, 22228, 27785, 55570, 61127, 72241, 111140, 122254, 144482, 244508, 288964, 305635, 361205, 611270, 722410, 794651, 1222540, 1444820, 1589302, 3178604, 3973255, 7946510, 15893020]

約数ペア:

[(1, 15893020), (2, 7946510), (4, 3973255), (5, 3178604), (10, 1589302), (11, 1444820), (13, 1222540), (20, 794651), (22, 722410), (26, 611270), (44, 361205), (52, 305635), (55, 288964), (65, 244508), (110, 144482), (130, 122254), (143, 111140), (220, 72241), (260, 61127), (286, 55570), (572, 27785), (715, 22228), (1430, 11114), (2860, 5557)]