20657358

素因数分解:

$2^1\times 3^2\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{1217}}^1$

素因数の和:1289

約数の個数: 48

約数和(自身を含む): 47882016

約数和(自身を除く): 27224658

約数列:

[1, 2, 3, 6, 9, 18, 23, 41, 46, 69, 82, 123, 138, 207, 246, 369, 414, 738, 943, 1217, 1886, 2434, 2829, 3651, 5658, 7302, 8487, 10953, 16974, 21906, 27991, 49897, 55982, 83973, 99794, 149691, 167946, 251919, 299382, 449073, 503838, 898146, 1147631, 2295262, 3442893, 6885786, 10328679, 20657358]

約数ペア:

[(1, 20657358), (2, 10328679), (3, 6885786), (6, 3442893), (9, 2295262), (18, 1147631), (23, 898146), (41, 503838), (46, 449073), (69, 299382), (82, 251919), (123, 167946), (138, 149691), (207, 99794), (246, 83973), (369, 55982), (414, 49897), (738, 27991), (943, 21906), (1217, 16974), (1886, 10953), (2434, 8487), (2829, 7302), (3651, 5658)]