20662704

素因数分解:

$2^4\times 3^2\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1$

素因数の和:175

約数の個数: 120

約数和(自身を含む): 61281792

約数和(自身を除く): 40619088

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 43, 47, 48, 71, 72, 86, 94, 129, 141, 142, 144, 172, 188, 213, 258, 282, 284, 344, 376, 387, 423, 426, 516, 564, 568, 639, 688, 752, 774, 846, 852, 1032, 1128, 1136, 1278, 1548, 1692, 1704, 2021, 2064, 2256, 2556, 3053, 3096, 3337, 3384, 3408, 4042, 5112, 6063, 6106, 6192, 6674, 6768, 8084, 9159, 10011, 10224, 12126, 12212, 13348, 16168, 18189, 18318, 20022, 24252, 24424, 26696, 27477, 30033, 32336, 36378, 36636, 40044, 48504, 48848, 53392, 54954, 60066, 72756, 73272, 80088, 97008, 109908, 120132, 143491, 145512, 146544, 160176, 219816, 240264, 286982, 291024, 430473, 439632, 480528, 573964, 860946, 1147928, 1291419, 1721892, 2295856, 2582838, 3443784, 5165676, 6887568, 10331352, 20662704]

約数ペア:

[(1, 20662704), (2, 10331352), (3, 6887568), (4, 5165676), (6, 3443784), (8, 2582838), (9, 2295856), (12, 1721892), (16, 1291419), (18, 1147928), (24, 860946), (36, 573964), (43, 480528), (47, 439632), (48, 430473), (71, 291024), (72, 286982), (86, 240264), (94, 219816), (129, 160176), (141, 146544), (142, 145512), (144, 143491), (172, 120132), (188, 109908), (213, 97008), (258, 80088), (282, 73272), (284, 72756), (344, 60066), (376, 54954), (387, 53392), (423, 48848), (426, 48504), (516, 40044), (564, 36636), (568, 36378), (639, 32336), (688, 30033), (752, 27477), (774, 26696), (846, 24424), (852, 24252), (1032, 20022), (1128, 18318), (1136, 18189), (1278, 16168), (1548, 13348), (1692, 12212), (1704, 12126), (2021, 10224), (2064, 10011), (2256, 9159), (2556, 8084), (3053, 6768), (3096, 6674), (3337, 6192), (3384, 6106), (3408, 6063), (4042, 5112)]