20784670

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{787}}^1$

素因数の和:952

約数の個数: 32

約数和(自身を含む): 39715200

約数和(自身を除く): 18930530

約数列:

[1, 2, 5, 10, 19, 38, 95, 139, 190, 278, 695, 787, 1390, 1574, 2641, 3935, 5282, 7870, 13205, 14953, 26410, 29906, 74765, 109393, 149530, 218786, 546965, 1093930, 2078467, 4156934, 10392335, 20784670]

約数ペア:

[(1, 20784670), (2, 10392335), (5, 4156934), (10, 2078467), (19, 1093930), (38, 546965), (95, 218786), (139, 149530), (190, 109393), (278, 74765), (695, 29906), (787, 26410), (1390, 14953), (1574, 13205), (2641, 7870), (3935, 5282)]