20679786

素因数分解:

$2^1\times 3^5\times {\mathrm{17}}^1\times {\mathrm{2503}}^1$

素因数の和:2537

約数の個数: 48

約数和(自身を含む): 49218624

約数和(自身を除く): 28538838

約数列:

[1, 2, 3, 6, 9, 17, 18, 27, 34, 51, 54, 81, 102, 153, 162, 243, 306, 459, 486, 918, 1377, 2503, 2754, 4131, 5006, 7509, 8262, 15018, 22527, 42551, 45054, 67581, 85102, 127653, 135162, 202743, 255306, 382959, 405486, 608229, 765918, 1148877, 1216458, 2297754, 3446631, 6893262, 10339893, 20679786]

約数ペア:

[(1, 20679786), (2, 10339893), (3, 6893262), (6, 3446631), (9, 2297754), (17, 1216458), (18, 1148877), (27, 765918), (34, 608229), (51, 405486), (54, 382959), (81, 255306), (102, 202743), (153, 135162), (162, 127653), (243, 85102), (306, 67581), (459, 45054), (486, 42551), (918, 22527), (1377, 15018), (2503, 8262), (2754, 7509), (4131, 5006)]