20541318

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{25741}}^1$

素因数の和:25772

約数の個数: 32

約数和(自身を含む): 49424640

約数和(自身を除く): 28883322

約数列:

[1, 2, 3, 6, 7, 14, 19, 21, 38, 42, 57, 114, 133, 266, 399, 798, 25741, 51482, 77223, 154446, 180187, 360374, 489079, 540561, 978158, 1081122, 1467237, 2934474, 3423553, 6847106, 10270659, 20541318]

約数ペア:

[(1, 20541318), (2, 10270659), (3, 6847106), (6, 3423553), (7, 2934474), (14, 1467237), (19, 1081122), (21, 978158), (38, 540561), (42, 489079), (57, 360374), (114, 180187), (133, 154446), (266, 77223), (399, 51482), (798, 25741)]