20522412

素因数分解:

$2^2\times 3^2\times {\mathrm{157}}^1\times {\mathrm{3631}}^1$

素因数の和:3798

約数の個数: 36

約数和(自身を含む): 52220896

約数和(自身を除く): 31698484

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 157, 314, 471, 628, 942, 1413, 1884, 2826, 3631, 5652, 7262, 10893, 14524, 21786, 32679, 43572, 65358, 130716, 570067, 1140134, 1710201, 2280268, 3420402, 5130603, 6840804, 10261206, 20522412]

約数ペア:

[(1, 20522412), (2, 10261206), (3, 6840804), (4, 5130603), (6, 3420402), (9, 2280268), (12, 1710201), (18, 1140134), (36, 570067), (157, 130716), (314, 65358), (471, 43572), (628, 32679), (942, 21786), (1413, 14524), (1884, 10893), (2826, 7262), (3631, 5652)]