20039488

素因数分解:

$2^6\times 7^1\times {\mathrm{41}}^1\times {\mathrm{1091}}^1$

素因数の和:1151

約数の個数: 56

約数和(自身を含む): 46597824

約数和(自身を除く): 26558336

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 41, 56, 64, 82, 112, 164, 224, 287, 328, 448, 574, 656, 1091, 1148, 1312, 2182, 2296, 2624, 4364, 4592, 7637, 8728, 9184, 15274, 17456, 18368, 30548, 34912, 44731, 61096, 69824, 89462, 122192, 178924, 244384, 313117, 357848, 488768, 626234, 715696, 1252468, 1431392, 2504936, 2862784, 5009872, 10019744, 20039488]

約数ペア:

[(1, 20039488), (2, 10019744), (4, 5009872), (7, 2862784), (8, 2504936), (14, 1431392), (16, 1252468), (28, 715696), (32, 626234), (41, 488768), (56, 357848), (64, 313117), (82, 244384), (112, 178924), (164, 122192), (224, 89462), (287, 69824), (328, 61096), (448, 44731), (574, 34912), (656, 30548), (1091, 18368), (1148, 17456), (1312, 15274), (2182, 9184), (2296, 8728), (2624, 7637), (4364, 4592)]