20122935910

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1375457}}^1$

素因数の和:1375501

約数の個数: 64

約数和(自身を含む): 47535828480

約数和(自身を除く): 27412892570

約数列:

[1, 2, 5, 7, 10, 11, 14, 19, 22, 35, 38, 55, 70, 77, 95, 110, 133, 154, 190, 209, 266, 385, 418, 665, 770, 1045, 1330, 1463, 2090, 2926, 7315, 14630, 1375457, 2750914, 6877285, 9628199, 13754570, 15130027, 19256398, 26133683, 30260054, 48140995, 52267366, 75650135, 96281990, 105910189, 130668415, 151300270, 182935781, 211820378, 261336830, 287470513, 365871562, 529550945, 574941026, 914678905, 1059101890, 1437352565, 1829357810, 2012293591, 2874705130, 4024587182, 10061467955, 20122935910]

約数ペア:

[(1, 20122935910), (2, 10061467955), (5, 4024587182), (7, 2874705130), (10, 2012293591), (11, 1829357810), (14, 1437352565), (19, 1059101890), (22, 914678905), (35, 574941026), (38, 529550945), (55, 365871562), (70, 287470513), (77, 261336830), (95, 211820378), (110, 182935781), (133, 151300270), (154, 130668415), (190, 105910189), (209, 96281990), (266, 75650135), (385, 52267366), (418, 48140995), (665, 30260054), (770, 26133683), (1045, 19256398), (1330, 15130027), (1463, 13754570), (2090, 9628199), (2926, 6877285), (7315, 2750914), (14630, 1375457)]