20008856735

素因数分解:

$5^1\times 7^2\times {\mathrm{59}}^1\times {\mathrm{89}}^1\times {\mathrm{103}}^1\times {\mathrm{151}}^1$

素因数の和:421

約数の個数: 96

約数和(自身を含む): 29194214400

約数和(自身を除く): 9185357665

約数列:

[1, 5, 7, 35, 49, 59, 89, 103, 151, 245, 295, 413, 445, 515, 623, 721, 755, 1057, 2065, 2891, 3115, 3605, 4361, 5047, 5251, 5285, 6077, 7399, 8909, 9167, 13439, 14455, 15553, 21805, 25235, 26255, 30385, 36757, 36995, 42539, 44545, 45835, 62363, 64169, 67195, 77765, 94073, 108871, 183785, 212695, 257299, 297773, 311815, 320845, 436541, 449183, 470365, 540853, 544355, 658511, 762097, 792901, 917627, 1286495, 1384217, 1488865, 2182705, 2245915, 2704265, 3292555, 3785971, 3810485, 3964505, 4588135, 5550307, 6423389, 6921085, 9689519, 18929855, 26501797, 27751535, 32116945, 38852149, 44963723, 48447595, 67826633, 81668803, 132508985, 194260745, 224818615, 339133165, 408344015, 571681621, 2858408105, 4001771347, 20008856735]

約数ペア:

[(1, 20008856735), (5, 4001771347), (7, 2858408105), (35, 571681621), (49, 408344015), (59, 339133165), (89, 224818615), (103, 194260745), (151, 132508985), (245, 81668803), (295, 67826633), (413, 48447595), (445, 44963723), (515, 38852149), (623, 32116945), (721, 27751535), (755, 26501797), (1057, 18929855), (2065, 9689519), (2891, 6921085), (3115, 6423389), (3605, 5550307), (4361, 4588135), (5047, 3964505), (5251, 3810485), (5285, 3785971), (6077, 3292555), (7399, 2704265), (8909, 2245915), (9167, 2182705), (13439, 1488865), (14455, 1384217), (15553, 1286495), (21805, 917627), (25235, 792901), (26255, 762097), (30385, 658511), (36757, 544355), (36995, 540853), (42539, 470365), (44545, 449183), (45835, 436541), (62363, 320845), (64169, 311815), (67195, 297773), (77765, 257299), (94073, 212695), (108871, 183785)]