20210449545

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{51487}}^1$

素因数の和:51583

約数の個数: 96

約数和(自身を含む): 41831322624

約数和(自身を除く): 21620873079

約数列:

[1, 3, 5, 9, 11, 13, 15, 33, 39, 45, 55, 61, 65, 99, 117, 143, 165, 183, 195, 305, 429, 495, 549, 585, 671, 715, 793, 915, 1287, 2013, 2145, 2379, 2745, 3355, 3965, 6039, 6435, 7137, 8723, 10065, 11895, 26169, 30195, 35685, 43615, 51487, 78507, 130845, 154461, 257435, 392535, 463383, 566357, 669331, 772305, 1699071, 2007993, 2316915, 2831785, 3140707, 3346655, 5097213, 6023979, 7362641, 8495355, 9422121, 10039965, 15703535, 22087923, 25486065, 28266363, 30119895, 34547777, 36813205, 40829191, 47110605, 66263769, 103643331, 110439615, 122487573, 141331815, 172738885, 204145955, 310929993, 331318845, 367462719, 449121101, 518216655, 612437865, 1347363303, 1554649965, 1837313595, 2245605505, 4042089909, 6736816515, 20210449545]

約数ペア:

[(1, 20210449545), (3, 6736816515), (5, 4042089909), (9, 2245605505), (11, 1837313595), (13, 1554649965), (15, 1347363303), (33, 612437865), (39, 518216655), (45, 449121101), (55, 367462719), (61, 331318845), (65, 310929993), (99, 204145955), (117, 172738885), (143, 141331815), (165, 122487573), (183, 110439615), (195, 103643331), (305, 66263769), (429, 47110605), (495, 40829191), (549, 36813205), (585, 34547777), (671, 30119895), (715, 28266363), (793, 25486065), (915, 22087923), (1287, 15703535), (2013, 10039965), (2145, 9422121), (2379, 8495355), (2745, 7362641), (3355, 6023979), (3965, 5097213), (6039, 3346655), (6435, 3140707), (7137, 2831785), (8723, 2316915), (10065, 2007993), (11895, 1699071), (26169, 772305), (30195, 669331), (35685, 566357), (43615, 463383), (51487, 392535), (78507, 257435), (130845, 154461)]