20853828

素因数分解:

$2^2\times 3^3\times {\mathrm{353}}^1\times {\mathrm{547}}^1$

素因数の和:913

約数の個数: 48

約数和(自身を含む): 54317760

約数和(自身を除く): 33463932

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 353, 547, 706, 1059, 1094, 1412, 1641, 2118, 2188, 3177, 3282, 4236, 4923, 6354, 6564, 9531, 9846, 12708, 14769, 19062, 19692, 29538, 38124, 59076, 193091, 386182, 579273, 772364, 1158546, 1737819, 2317092, 3475638, 5213457, 6951276, 10426914, 20853828]

約数ペア:

[(1, 20853828), (2, 10426914), (3, 6951276), (4, 5213457), (6, 3475638), (9, 2317092), (12, 1737819), (18, 1158546), (27, 772364), (36, 579273), (54, 386182), (108, 193091), (353, 59076), (547, 38124), (706, 29538), (1059, 19692), (1094, 19062), (1412, 14769), (1641, 12708), (2118, 9846), (2188, 9531), (3177, 6564), (3282, 6354), (4236, 4923)]