20122720164

素因数分解:

$2^2\times 3^5\times {\mathrm{1217}}^1\times {\mathrm{17011}}^1$

素因数の和:18247

約数の個数: 72

約数和(自身を含む): 52796129568

約数和(自身を除く): 32673409404

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 243, 324, 486, 972, 1217, 2434, 3651, 4868, 7302, 10953, 14604, 17011, 21906, 32859, 34022, 43812, 51033, 65718, 68044, 98577, 102066, 131436, 153099, 197154, 204132, 295731, 306198, 394308, 459297, 591462, 612396, 918594, 1182924, 1377891, 1837188, 2755782, 4133673, 5511564, 8267346, 16534692, 20702387, 41404774, 62107161, 82809548, 124214322, 186321483, 248428644, 372642966, 558964449, 745285932, 1117928898, 1676893347, 2235857796, 3353786694, 5030680041, 6707573388, 10061360082, 20122720164]

約数ペア:

[(1, 20122720164), (2, 10061360082), (3, 6707573388), (4, 5030680041), (6, 3353786694), (9, 2235857796), (12, 1676893347), (18, 1117928898), (27, 745285932), (36, 558964449), (54, 372642966), (81, 248428644), (108, 186321483), (162, 124214322), (243, 82809548), (324, 62107161), (486, 41404774), (972, 20702387), (1217, 16534692), (2434, 8267346), (3651, 5511564), (4868, 4133673), (7302, 2755782), (10953, 1837188), (14604, 1377891), (17011, 1182924), (21906, 918594), (32859, 612396), (34022, 591462), (43812, 459297), (51033, 394308), (65718, 306198), (68044, 295731), (98577, 204132), (102066, 197154), (131436, 153099)]