20445152

素因数分解:

$2^5\times 7^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1$

素因数の和:113

約数の個数: 144

約数和(自身を含む): 54295920

約数和(自身を除く): 33850768

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 17, 26, 28, 32, 34, 49, 52, 56, 59, 68, 91, 98, 104, 112, 118, 119, 136, 182, 196, 208, 221, 224, 236, 238, 272, 364, 392, 413, 416, 442, 472, 476, 544, 637, 728, 767, 784, 826, 833, 884, 944, 952, 1003, 1274, 1456, 1534, 1547, 1568, 1652, 1666, 1768, 1888, 1904, 2006, 2548, 2891, 2912, 3068, 3094, 3304, 3332, 3536, 3808, 4012, 5096, 5369, 5782, 6136, 6188, 6608, 6664, 7021, 7072, 8024, 10192, 10738, 10829, 11564, 12272, 12376, 13039, 13216, 13328, 14042, 16048, 20384, 21476, 21658, 23128, 24544, 24752, 26078, 26656, 28084, 32096, 37583, 42952, 43316, 46256, 49147, 49504, 52156, 56168, 75166, 85904, 86632, 91273, 92512, 98294, 104312, 112336, 150332, 171808, 173264, 182546, 196588, 208624, 224672, 300664, 346528, 365092, 393176, 417248, 601328, 638911, 730184, 786352, 1202656, 1277822, 1460368, 1572704, 2555644, 2920736, 5111288, 10222576, 20445152]

約数ペア:

[(1, 20445152), (2, 10222576), (4, 5111288), (7, 2920736), (8, 2555644), (13, 1572704), (14, 1460368), (16, 1277822), (17, 1202656), (26, 786352), (28, 730184), (32, 638911), (34, 601328), (49, 417248), (52, 393176), (56, 365092), (59, 346528), (68, 300664), (91, 224672), (98, 208624), (104, 196588), (112, 182546), (118, 173264), (119, 171808), (136, 150332), (182, 112336), (196, 104312), (208, 98294), (221, 92512), (224, 91273), (236, 86632), (238, 85904), (272, 75166), (364, 56168), (392, 52156), (413, 49504), (416, 49147), (442, 46256), (472, 43316), (476, 42952), (544, 37583), (637, 32096), (728, 28084), (767, 26656), (784, 26078), (826, 24752), (833, 24544), (884, 23128), (944, 21658), (952, 21476), (1003, 20384), (1274, 16048), (1456, 14042), (1534, 13328), (1547, 13216), (1568, 13039), (1652, 12376), (1666, 12272), (1768, 11564), (1888, 10829), (1904, 10738), (2006, 10192), (2548, 8024), (2891, 7072), (2912, 7021), (3068, 6664), (3094, 6608), (3304, 6188), (3332, 6136), (3536, 5782), (3808, 5369), (4012, 5096)]