20216706

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^2\times {\mathrm{89}}^1\times {\mathrm{131}}^1$

素因数の和:259

約数の個数: 48

約数和(自身を含む): 43765920

約数和(自身を除く): 23549214

約数列:

[1, 2, 3, 6, 17, 34, 51, 89, 102, 131, 178, 262, 267, 289, 393, 534, 578, 786, 867, 1513, 1734, 2227, 3026, 4454, 4539, 6681, 9078, 11659, 13362, 23318, 25721, 34977, 37859, 51442, 69954, 75718, 77163, 113577, 154326, 198203, 227154, 396406, 594609, 1189218, 3369451, 6738902, 10108353, 20216706]

約数ペア:

[(1, 20216706), (2, 10108353), (3, 6738902), (6, 3369451), (17, 1189218), (34, 594609), (51, 396406), (89, 227154), (102, 198203), (131, 154326), (178, 113577), (262, 77163), (267, 75718), (289, 69954), (393, 51442), (534, 37859), (578, 34977), (786, 25721), (867, 23318), (1513, 13362), (1734, 11659), (2227, 9078), (3026, 6681), (4454, 4539)]