20409490640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{34157}}^1$

素因数の和:34285

約数の個数: 160

約数和(自身を含む): 59772674304

約数和(自身を除く): 39363183664

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 80, 88, 97, 110, 112, 140, 154, 176, 194, 220, 280, 308, 385, 388, 440, 485, 560, 616, 679, 770, 776, 880, 970, 1067, 1232, 1358, 1540, 1552, 1940, 2134, 2716, 3080, 3395, 3880, 4268, 5335, 5432, 6160, 6790, 7469, 7760, 8536, 10670, 10864, 13580, 14938, 17072, 21340, 27160, 29876, 34157, 37345, 42680, 54320, 59752, 68314, 74690, 85360, 119504, 136628, 149380, 170785, 239099, 273256, 298760, 341570, 375727, 478198, 546512, 597520, 683140, 751454, 956396, 1195495, 1366280, 1502908, 1878635, 1912792, 2390990, 2630089, 2732560, 3005816, 3313229, 3757270, 3825584, 4781980, 5260178, 6011632, 6626458, 7514540, 9563960, 10520356, 13150445, 13252916, 15029080, 16566145, 19127920, 21040712, 23192603, 26300890, 26505832, 30058160, 33132290, 36445519, 42081424, 46385206, 52601780, 53011664, 66264580, 72891038, 92770412, 105203560, 115963015, 132529160, 145782076, 182227595, 185540824, 210407120, 231926030, 255118633, 265058320, 291564152, 364455190, 371081648, 463852060, 510237266, 583128304, 728910380, 927704120, 1020474532, 1275593165, 1457820760, 1855408240, 2040949064, 2551186330, 2915641520, 4081898128, 5102372660, 10204745320, 20409490640]

約数ペア:

[(1, 20409490640), (2, 10204745320), (4, 5102372660), (5, 4081898128), (7, 2915641520), (8, 2551186330), (10, 2040949064), (11, 1855408240), (14, 1457820760), (16, 1275593165), (20, 1020474532), (22, 927704120), (28, 728910380), (35, 583128304), (40, 510237266), (44, 463852060), (55, 371081648), (56, 364455190), (70, 291564152), (77, 265058320), (80, 255118633), (88, 231926030), (97, 210407120), (110, 185540824), (112, 182227595), (140, 145782076), (154, 132529160), (176, 115963015), (194, 105203560), (220, 92770412), (280, 72891038), (308, 66264580), (385, 53011664), (388, 52601780), (440, 46385206), (485, 42081424), (560, 36445519), (616, 33132290), (679, 30058160), (770, 26505832), (776, 26300890), (880, 23192603), (970, 21040712), (1067, 19127920), (1232, 16566145), (1358, 15029080), (1540, 13252916), (1552, 13150445), (1940, 10520356), (2134, 9563960), (2716, 7514540), (3080, 6626458), (3395, 6011632), (3880, 5260178), (4268, 4781980), (5335, 3825584), (5432, 3757270), (6160, 3313229), (6790, 3005816), (7469, 2732560), (7760, 2630089), (8536, 2390990), (10670, 1912792), (10864, 1878635), (13580, 1502908), (14938, 1366280), (17072, 1195495), (21340, 956396), (27160, 751454), (29876, 683140), (34157, 597520), (37345, 546512), (42680, 478198), (54320, 375727), (59752, 341570), (68314, 298760), (74690, 273256), (85360, 239099), (119504, 170785), (136628, 149380)]