20199243855

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{149}}^1\times {\mathrm{173}}^1\times {\mathrm{439}}^1$

素因数の和:793

約数の個数: 128

約数和(自身を含む): 39688704000

約数和(自身を除く): 19489460145

約数列:

[1, 3, 5, 7, 15, 17, 21, 35, 51, 85, 105, 119, 149, 173, 255, 357, 439, 447, 519, 595, 745, 865, 1043, 1211, 1317, 1785, 2195, 2235, 2533, 2595, 2941, 3073, 3129, 3633, 5215, 6055, 6585, 7463, 7599, 8823, 9219, 12665, 14705, 15365, 15645, 17731, 18165, 20587, 22389, 25777, 37315, 37995, 44115, 46095, 52241, 53193, 61761, 65411, 75947, 77331, 88655, 102935, 111945, 128885, 156723, 180439, 196233, 227841, 261205, 265965, 308805, 327055, 379735, 386655, 438209, 457877, 531629, 541317, 783615, 902195, 981165, 1111987, 1139205, 1291099, 1314627, 1373631, 1594887, 2191045, 2289385, 2658145, 2706585, 3067463, 3335961, 3873297, 5559935, 6455495, 6573135, 6868155, 7783909, 7974435, 9037693, 9202389, 11316103, 15337315, 16679805, 19366485, 23351727, 27113079, 33948309, 38919545, 45188465, 46011945, 56580515, 79212721, 116758635, 135565395, 169741545, 192373751, 237638163, 396063605, 577121253, 961868755, 1188190815, 1346616257, 2885606265, 4039848771, 6733081285, 20199243855]

約数ペア:

[(1, 20199243855), (3, 6733081285), (5, 4039848771), (7, 2885606265), (15, 1346616257), (17, 1188190815), (21, 961868755), (35, 577121253), (51, 396063605), (85, 237638163), (105, 192373751), (119, 169741545), (149, 135565395), (173, 116758635), (255, 79212721), (357, 56580515), (439, 46011945), (447, 45188465), (519, 38919545), (595, 33948309), (745, 27113079), (865, 23351727), (1043, 19366485), (1211, 16679805), (1317, 15337315), (1785, 11316103), (2195, 9202389), (2235, 9037693), (2533, 7974435), (2595, 7783909), (2941, 6868155), (3073, 6573135), (3129, 6455495), (3633, 5559935), (5215, 3873297), (6055, 3335961), (6585, 3067463), (7463, 2706585), (7599, 2658145), (8823, 2289385), (9219, 2191045), (12665, 1594887), (14705, 1373631), (15365, 1314627), (15645, 1291099), (17731, 1139205), (18165, 1111987), (20587, 981165), (22389, 902195), (25777, 783615), (37315, 541317), (37995, 531629), (44115, 457877), (46095, 438209), (52241, 386655), (53193, 379735), (61761, 327055), (65411, 308805), (75947, 265965), (77331, 261205), (88655, 227841), (102935, 196233), (111945, 180439), (128885, 156723)]