20610018

素因数分解:

$2^1\times 3^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{157}}^1$

素因数の和:209

約数の個数: 128

約数和(自身を含む): 57335040

約数和(自身を除く): 36725022

約数列:

[1, 2, 3, 6, 9, 11, 13, 17, 18, 22, 26, 27, 33, 34, 39, 51, 54, 66, 78, 99, 102, 117, 143, 153, 157, 187, 198, 221, 234, 286, 297, 306, 314, 351, 374, 429, 442, 459, 471, 561, 594, 663, 702, 858, 918, 942, 1122, 1287, 1326, 1413, 1683, 1727, 1989, 2041, 2431, 2574, 2669, 2826, 3366, 3454, 3861, 3978, 4082, 4239, 4862, 5049, 5181, 5338, 5967, 6123, 7293, 7722, 8007, 8478, 10098, 10362, 11934, 12246, 14586, 15543, 16014, 18369, 21879, 22451, 24021, 29359, 31086, 34697, 36738, 43758, 44902, 46629, 48042, 55107, 58718, 65637, 67353, 69394, 72063, 88077, 93258, 104091, 110214, 131274, 134706, 144126, 176154, 202059, 208182, 264231, 312273, 381667, 404118, 528462, 606177, 624546, 763334, 792693, 936819, 1145001, 1212354, 1585386, 1873638, 2290002, 3435003, 6870006, 10305009, 20610018]

約数ペア:

[(1, 20610018), (2, 10305009), (3, 6870006), (6, 3435003), (9, 2290002), (11, 1873638), (13, 1585386), (17, 1212354), (18, 1145001), (22, 936819), (26, 792693), (27, 763334), (33, 624546), (34, 606177), (39, 528462), (51, 404118), (54, 381667), (66, 312273), (78, 264231), (99, 208182), (102, 202059), (117, 176154), (143, 144126), (153, 134706), (157, 131274), (187, 110214), (198, 104091), (221, 93258), (234, 88077), (286, 72063), (297, 69394), (306, 67353), (314, 65637), (351, 58718), (374, 55107), (429, 48042), (442, 46629), (459, 44902), (471, 43758), (561, 36738), (594, 34697), (663, 31086), (702, 29359), (858, 24021), (918, 22451), (942, 21879), (1122, 18369), (1287, 16014), (1326, 15543), (1413, 14586), (1683, 12246), (1727, 11934), (1989, 10362), (2041, 10098), (2431, 8478), (2574, 8007), (2669, 7722), (2826, 7293), (3366, 6123), (3454, 5967), (3861, 5338), (3978, 5181), (4082, 5049), (4239, 4862)]