20169971192

素因数分解:

$2^3\times 7^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{400643}}^1$

素因数の和:400716

約数の個数: 64

約数和(自身を含む): 46154188800

約数和(自身を除く): 25984217608

約数列:

[1, 2, 4, 7, 8, 14, 28, 29, 31, 56, 58, 62, 116, 124, 203, 217, 232, 248, 406, 434, 812, 868, 899, 1624, 1736, 1798, 3596, 6293, 7192, 12586, 25172, 50344, 400643, 801286, 1602572, 2804501, 3205144, 5609002, 11218004, 11618647, 12419933, 22436008, 23237294, 24839866, 46474588, 49679732, 81330529, 86939531, 92949176, 99359464, 162661058, 173879062, 325322116, 347758124, 360178057, 650644232, 695516248, 720356114, 1440712228, 2521246399, 2881424456, 5042492798, 10084985596, 20169971192]

約数ペア:

[(1, 20169971192), (2, 10084985596), (4, 5042492798), (7, 2881424456), (8, 2521246399), (14, 1440712228), (28, 720356114), (29, 695516248), (31, 650644232), (56, 360178057), (58, 347758124), (62, 325322116), (116, 173879062), (124, 162661058), (203, 99359464), (217, 92949176), (232, 86939531), (248, 81330529), (406, 49679732), (434, 46474588), (812, 24839866), (868, 23237294), (899, 22436008), (1624, 12419933), (1736, 11618647), (1798, 11218004), (3596, 5609002), (6293, 3205144), (7192, 2804501), (12586, 1602572), (25172, 801286), (50344, 400643)]