20805543352

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{127}}^1\times {\mathrm{139}}^1\times {\mathrm{227}}^1$

素因数の和:569

約数の個数: 128

約数和(自身を含む): 44126208000

約数和(自身を除く): 23320664648

約数列:

[1, 2, 4, 8, 11, 22, 44, 59, 88, 118, 127, 139, 227, 236, 254, 278, 454, 472, 508, 556, 649, 908, 1016, 1112, 1298, 1397, 1529, 1816, 2497, 2596, 2794, 3058, 4994, 5192, 5588, 6116, 7493, 8201, 9988, 11176, 12232, 13393, 14986, 16402, 17653, 19976, 26786, 28829, 29972, 31553, 32804, 35306, 53572, 57658, 59944, 63106, 65608, 70612, 82423, 90211, 107144, 115316, 126212, 141224, 147323, 164846, 180422, 194183, 230632, 252424, 294646, 317119, 329692, 347083, 360844, 388366, 589292, 634238, 659384, 694166, 721688, 776732, 1041527, 1178584, 1268476, 1388332, 1553464, 1700911, 1861627, 2083054, 2536952, 2776664, 3401822, 3723254, 4007231, 4166108, 6803644, 7446508, 8014462, 8332216, 11456797, 13607288, 14893016, 16028924, 18710021, 20477897, 22913594, 32057848, 37420042, 40955794, 44079541, 45827188, 74840084, 81911588, 88159082, 91654376, 149680168, 163823176, 176318164, 236426629, 352636328, 472853258, 945706516, 1891413032, 2600692919, 5201385838, 10402771676, 20805543352]

約数ペア:

[(1, 20805543352), (2, 10402771676), (4, 5201385838), (8, 2600692919), (11, 1891413032), (22, 945706516), (44, 472853258), (59, 352636328), (88, 236426629), (118, 176318164), (127, 163823176), (139, 149680168), (227, 91654376), (236, 88159082), (254, 81911588), (278, 74840084), (454, 45827188), (472, 44079541), (508, 40955794), (556, 37420042), (649, 32057848), (908, 22913594), (1016, 20477897), (1112, 18710021), (1298, 16028924), (1397, 14893016), (1529, 13607288), (1816, 11456797), (2497, 8332216), (2596, 8014462), (2794, 7446508), (3058, 6803644), (4994, 4166108), (5192, 4007231), (5588, 3723254), (6116, 3401822), (7493, 2776664), (8201, 2536952), (9988, 2083054), (11176, 1861627), (12232, 1700911), (13393, 1553464), (14986, 1388332), (16402, 1268476), (17653, 1178584), (19976, 1041527), (26786, 776732), (28829, 721688), (29972, 694166), (31553, 659384), (32804, 634238), (35306, 589292), (53572, 388366), (57658, 360844), (59944, 347083), (63106, 329692), (65608, 317119), (70612, 294646), (82423, 252424), (90211, 230632), (107144, 194183), (115316, 180422), (126212, 164846), (141224, 147323)]