20638890

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{229321}}^1$

素因数の和:229334

約数の個数: 24

約数和(自身を含む): 53661348

約数和(自身を除く): 33022458

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 229321, 458642, 687963, 1146605, 1375926, 2063889, 2293210, 3439815, 4127778, 6879630, 10319445, 20638890]

約数ペア:

[(1, 20638890), (2, 10319445), (3, 6879630), (5, 4127778), (6, 3439815), (9, 2293210), (10, 2063889), (15, 1375926), (18, 1146605), (30, 687963), (45, 458642), (90, 229321)]