20649528

素因数分解:

$2^3\times 3^2\times {\mathrm{59}}^1\times {\mathrm{4861}}^1$

素因数の和:4932

約数の個数: 48

約数和(自身を含む): 56885400

約数和(自身を除く): 36235872

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 59, 72, 118, 177, 236, 354, 472, 531, 708, 1062, 1416, 2124, 4248, 4861, 9722, 14583, 19444, 29166, 38888, 43749, 58332, 87498, 116664, 174996, 286799, 349992, 573598, 860397, 1147196, 1720794, 2294392, 2581191, 3441588, 5162382, 6883176, 10324764, 20649528]

約数ペア:

[(1, 20649528), (2, 10324764), (3, 6883176), (4, 5162382), (6, 3441588), (8, 2581191), (9, 2294392), (12, 1720794), (18, 1147196), (24, 860397), (36, 573598), (59, 349992), (72, 286799), (118, 174996), (177, 116664), (236, 87498), (354, 58332), (472, 43749), (531, 38888), (708, 29166), (1062, 19444), (1416, 14583), (2124, 9722), (4248, 4861)]