20512221730

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{4799}}^1$

素因数の和:4905

約数の個数: 192

約数和(自身を含む): 51296716800

約数和(自身を除く): 30784495070

約数列:

[1, 2, 5, 7, 10, 11, 13, 14, 22, 26, 35, 49, 55, 61, 65, 70, 77, 91, 98, 110, 122, 130, 143, 154, 182, 245, 286, 305, 385, 427, 455, 490, 539, 610, 637, 671, 715, 770, 793, 854, 910, 1001, 1078, 1274, 1342, 1430, 1586, 2002, 2135, 2695, 2989, 3185, 3355, 3965, 4270, 4697, 4799, 5005, 5390, 5551, 5978, 6370, 6710, 7007, 7930, 8723, 9394, 9598, 10010, 11102, 14014, 14945, 17446, 23485, 23995, 27755, 29890, 32879, 33593, 35035, 38857, 43615, 46970, 47990, 52789, 55510, 61061, 62387, 65758, 67186, 70070, 77714, 87230, 105578, 122122, 124774, 164395, 167965, 194285, 235151, 263945, 292739, 305305, 311935, 328790, 335930, 369523, 388570, 427427, 436709, 470302, 527890, 585478, 610610, 623870, 686257, 739046, 854854, 873418, 1175755, 1372514, 1463695, 1847615, 2049173, 2137135, 2183545, 2351510, 2586661, 2927390, 3056963, 3220129, 3431285, 3695230, 3805607, 4098346, 4274270, 4367090, 4803799, 5173322, 6113926, 6440258, 6862570, 7611214, 9607598, 10245865, 12933305, 14344211, 15284815, 16100645, 19028035, 20491730, 22540903, 24018995, 25866610, 26639249, 28688422, 30569630, 32201290, 33626593, 38056070, 41861677, 45081806, 48037990, 53278498, 67253186, 71721055, 83723354, 112704515, 133196245, 143442110, 157786321, 168132965, 186474743, 209308385, 225409030, 266392490, 293031739, 315572642, 336265930, 372949486, 418616770, 586063478, 788931605, 932373715, 1465158695, 1577863210, 1864747430, 2051222173, 2930317390, 4102444346, 10256110865, 20512221730]

約数ペア:

[(1, 20512221730), (2, 10256110865), (5, 4102444346), (7, 2930317390), (10, 2051222173), (11, 1864747430), (13, 1577863210), (14, 1465158695), (22, 932373715), (26, 788931605), (35, 586063478), (49, 418616770), (55, 372949486), (61, 336265930), (65, 315572642), (70, 293031739), (77, 266392490), (91, 225409030), (98, 209308385), (110, 186474743), (122, 168132965), (130, 157786321), (143, 143442110), (154, 133196245), (182, 112704515), (245, 83723354), (286, 71721055), (305, 67253186), (385, 53278498), (427, 48037990), (455, 45081806), (490, 41861677), (539, 38056070), (610, 33626593), (637, 32201290), (671, 30569630), (715, 28688422), (770, 26639249), (793, 25866610), (854, 24018995), (910, 22540903), (1001, 20491730), (1078, 19028035), (1274, 16100645), (1342, 15284815), (1430, 14344211), (1586, 12933305), (2002, 10245865), (2135, 9607598), (2695, 7611214), (2989, 6862570), (3185, 6440258), (3355, 6113926), (3965, 5173322), (4270, 4803799), (4697, 4367090), (4799, 4274270), (5005, 4098346), (5390, 3805607), (5551, 3695230), (5978, 3431285), (6370, 3220129), (6710, 3056963), (7007, 2927390), (7930, 2586661), (8723, 2351510), (9394, 2183545), (9598, 2137135), (10010, 2049173), (11102, 1847615), (14014, 1463695), (14945, 1372514), (17446, 1175755), (23485, 873418), (23995, 854854), (27755, 739046), (29890, 686257), (32879, 623870), (33593, 610610), (35035, 585478), (38857, 527890), (43615, 470302), (46970, 436709), (47990, 427427), (52789, 388570), (55510, 369523), (61061, 335930), (62387, 328790), (65758, 311935), (67186, 305305), (70070, 292739), (77714, 263945), (87230, 235151), (105578, 194285), (122122, 167965), (124774, 164395)]