20477844

素因数分解:

$2^2\times 3^2\times {\mathrm{271}}^1\times {\mathrm{2099}}^1$

素因数の和:2380

約数の個数: 36

約数和(自身を含む): 51979200

約数和(自身を除く): 31501356

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 271, 542, 813, 1084, 1626, 2099, 2439, 3252, 4198, 4878, 6297, 8396, 9756, 12594, 18891, 25188, 37782, 75564, 568829, 1137658, 1706487, 2275316, 3412974, 5119461, 6825948, 10238922, 20477844]

約数ペア:

[(1, 20477844), (2, 10238922), (3, 6825948), (4, 5119461), (6, 3412974), (9, 2275316), (12, 1706487), (18, 1137658), (36, 568829), (271, 75564), (542, 37782), (813, 25188), (1084, 18891), (1626, 12594), (2099, 9756), (2439, 8396), (3252, 6297), (4198, 4878)]