20604456

素因数分解:

$2^3\times 3^6\times {\mathrm{3533}}^1$

素因数の和:3557

約数の個数: 56

約数和(自身を含む): 57939930

約数和(自身を除く): 37335474

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 108, 162, 216, 243, 324, 486, 648, 729, 972, 1458, 1944, 2916, 3533, 5832, 7066, 10599, 14132, 21198, 28264, 31797, 42396, 63594, 84792, 95391, 127188, 190782, 254376, 286173, 381564, 572346, 763128, 858519, 1144692, 1717038, 2289384, 2575557, 3434076, 5151114, 6868152, 10302228, 20604456]

約数ペア:

[(1, 20604456), (2, 10302228), (3, 6868152), (4, 5151114), (6, 3434076), (8, 2575557), (9, 2289384), (12, 1717038), (18, 1144692), (24, 858519), (27, 763128), (36, 572346), (54, 381564), (72, 286173), (81, 254376), (108, 190782), (162, 127188), (216, 95391), (243, 84792), (324, 63594), (486, 42396), (648, 31797), (729, 28264), (972, 21198), (1458, 14132), (1944, 10599), (2916, 7066), (3533, 5832)]