20178368

素因数分解:

$2^6\times 7^1\times {\mathrm{73}}^1\times {\mathrm{617}}^1$

素因数の和:709

約数の個数: 56

約数和(自身を含む): 46463712

約数和(自身を除く): 26285344

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 73, 112, 146, 224, 292, 448, 511, 584, 617, 1022, 1168, 1234, 2044, 2336, 2468, 4088, 4319, 4672, 4936, 8176, 8638, 9872, 16352, 17276, 19744, 32704, 34552, 39488, 45041, 69104, 90082, 138208, 180164, 276416, 315287, 360328, 630574, 720656, 1261148, 1441312, 2522296, 2882624, 5044592, 10089184, 20178368]

約数ペア:

[(1, 20178368), (2, 10089184), (4, 5044592), (7, 2882624), (8, 2522296), (14, 1441312), (16, 1261148), (28, 720656), (32, 630574), (56, 360328), (64, 315287), (73, 276416), (112, 180164), (146, 138208), (224, 90082), (292, 69104), (448, 45041), (511, 39488), (584, 34552), (617, 32704), (1022, 19744), (1168, 17276), (1234, 16352), (2044, 9872), (2336, 8638), (2468, 8176), (4088, 4936), (4319, 4672)]