20973852

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{797}}^1$

素因数の和:867

約数の個数: 72

約数和(自身を含む): 57513456

約数和(自身を除く): 36539604

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 34, 36, 43, 51, 68, 86, 102, 129, 153, 172, 204, 258, 306, 387, 516, 612, 731, 774, 797, 1462, 1548, 1594, 2193, 2391, 2924, 3188, 4386, 4782, 6579, 7173, 8772, 9564, 13158, 13549, 14346, 26316, 27098, 28692, 34271, 40647, 54196, 68542, 81294, 102813, 121941, 137084, 162588, 205626, 243882, 308439, 411252, 487764, 582607, 616878, 1165214, 1233756, 1747821, 2330428, 3495642, 5243463, 6991284, 10486926, 20973852]

約数ペア:

[(1, 20973852), (2, 10486926), (3, 6991284), (4, 5243463), (6, 3495642), (9, 2330428), (12, 1747821), (17, 1233756), (18, 1165214), (34, 616878), (36, 582607), (43, 487764), (51, 411252), (68, 308439), (86, 243882), (102, 205626), (129, 162588), (153, 137084), (172, 121941), (204, 102813), (258, 81294), (306, 68542), (387, 54196), (516, 40647), (612, 34271), (731, 28692), (774, 27098), (797, 26316), (1462, 14346), (1548, 13549), (1594, 13158), (2193, 9564), (2391, 8772), (2924, 7173), (3188, 6579), (4386, 4782)]