20412173538

素因数分解:

$2^1\times 3^2\times {\mathrm{23}}^1\times {\mathrm{331}}^1\times {\mathrm{148957}}^1$

素因数の和:149319

約数の個数: 48

約数和(自身を含む): 46288996416

約数和(自身を除く): 25876822878

約数列:

[1, 2, 3, 6, 9, 18, 23, 46, 69, 138, 207, 331, 414, 662, 993, 1986, 2979, 5958, 7613, 15226, 22839, 45678, 68517, 137034, 148957, 297914, 446871, 893742, 1340613, 2681226, 3426011, 6852022, 10278033, 20556066, 30834099, 49304767, 61668198, 98609534, 147914301, 295828602, 443742903, 887485806, 1134009641, 2268019282, 3402028923, 6804057846, 10206086769, 20412173538]

約数ペア:

[(1, 20412173538), (2, 10206086769), (3, 6804057846), (6, 3402028923), (9, 2268019282), (18, 1134009641), (23, 887485806), (46, 443742903), (69, 295828602), (138, 147914301), (207, 98609534), (331, 61668198), (414, 49304767), (662, 30834099), (993, 20556066), (1986, 10278033), (2979, 6852022), (5958, 3426011), (7613, 2681226), (15226, 1340613), (22839, 893742), (45678, 446871), (68517, 297914), (137034, 148957)]