20170123568

素因数分解:

$2^4\times 7^1\times {\mathrm{269}}^1\times {\mathrm{669481}}^1$

素因数の和:669765

約数の個数: 40

約数和(自身を含む): 44828514720

約数和(自身を除く): 24658391152

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 269, 538, 1076, 1883, 2152, 3766, 4304, 7532, 15064, 30128, 669481, 1338962, 2677924, 4686367, 5355848, 9372734, 10711696, 18745468, 37490936, 74981872, 180090389, 360180778, 720361556, 1260632723, 1440723112, 2521265446, 2881446224, 5042530892, 10085061784, 20170123568]

約数ペア:

[(1, 20170123568), (2, 10085061784), (4, 5042530892), (7, 2881446224), (8, 2521265446), (14, 1440723112), (16, 1260632723), (28, 720361556), (56, 360180778), (112, 180090389), (269, 74981872), (538, 37490936), (1076, 18745468), (1883, 10711696), (2152, 9372734), (3766, 5355848), (4304, 4686367), (7532, 2677924), (15064, 1338962), (30128, 669481)]