20867588

素因数分解:

$2^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{829}}^1$

素因数の和:900

約数の個数: 48

約数和(自身を含む): 44620800

約数和(自身を除く): 23753212

約数列:

[1, 2, 4, 7, 14, 28, 29, 31, 58, 62, 116, 124, 203, 217, 406, 434, 812, 829, 868, 899, 1658, 1798, 3316, 3596, 5803, 6293, 11606, 12586, 23212, 24041, 25172, 25699, 48082, 51398, 96164, 102796, 168287, 179893, 336574, 359786, 673148, 719572, 745271, 1490542, 2981084, 5216897, 10433794, 20867588]

約数ペア:

[(1, 20867588), (2, 10433794), (4, 5216897), (7, 2981084), (14, 1490542), (28, 745271), (29, 719572), (31, 673148), (58, 359786), (62, 336574), (116, 179893), (124, 168287), (203, 102796), (217, 96164), (406, 51398), (434, 48082), (812, 25699), (829, 25172), (868, 24041), (899, 23212), (1658, 12586), (1798, 11606), (3316, 6293), (3596, 5803)]