20725176

素因数分解:

$2^3\times 3^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{643}}^1$

素因数の和:748

約数の個数: 64

約数和(自身を含む): 55641600

約数和(自身を除く): 34916424

約数列:

[1, 2, 3, 4, 6, 8, 12, 17, 24, 34, 51, 68, 79, 102, 136, 158, 204, 237, 316, 408, 474, 632, 643, 948, 1286, 1343, 1896, 1929, 2572, 2686, 3858, 4029, 5144, 5372, 7716, 8058, 10744, 10931, 15432, 16116, 21862, 32232, 32793, 43724, 50797, 65586, 87448, 101594, 131172, 152391, 203188, 262344, 304782, 406376, 609564, 863549, 1219128, 1727098, 2590647, 3454196, 5181294, 6908392, 10362588, 20725176]

約数ペア:

[(1, 20725176), (2, 10362588), (3, 6908392), (4, 5181294), (6, 3454196), (8, 2590647), (12, 1727098), (17, 1219128), (24, 863549), (34, 609564), (51, 406376), (68, 304782), (79, 262344), (102, 203188), (136, 152391), (158, 131172), (204, 101594), (237, 87448), (316, 65586), (408, 50797), (474, 43724), (632, 32793), (643, 32232), (948, 21862), (1286, 16116), (1343, 15432), (1896, 10931), (1929, 10744), (2572, 8058), (2686, 7716), (3858, 5372), (4029, 5144)]