20912056

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{3347}}^1$

素因数の和:3435

約数の個数: 32

約数和(自身を含む): 43390080

約数和(自身を除く): 22478024

約数列:

[1, 2, 4, 8, 11, 22, 44, 71, 88, 142, 284, 568, 781, 1562, 3124, 3347, 6248, 6694, 13388, 26776, 36817, 73634, 147268, 237637, 294536, 475274, 950548, 1901096, 2614007, 5228014, 10456028, 20912056]

約数ペア:

[(1, 20912056), (2, 10456028), (4, 5228014), (8, 2614007), (11, 1901096), (22, 950548), (44, 475274), (71, 294536), (88, 237637), (142, 147268), (284, 73634), (568, 36817), (781, 26776), (1562, 13388), (3124, 6694), (3347, 6248)]