20846826

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{89}}^1$

素因数の和:141

約数の個数: 144

約数和(自身を含む): 61663680

約数和(自身を除く): 40816854

約数列:

[1, 2, 3, 6, 7, 9, 11, 13, 14, 18, 21, 22, 26, 33, 39, 42, 63, 66, 77, 78, 89, 91, 99, 117, 126, 143, 154, 169, 178, 182, 198, 231, 234, 267, 273, 286, 338, 429, 462, 507, 534, 546, 623, 693, 801, 819, 858, 979, 1001, 1014, 1157, 1183, 1246, 1287, 1386, 1521, 1602, 1638, 1859, 1869, 1958, 2002, 2314, 2366, 2574, 2937, 3003, 3042, 3471, 3549, 3718, 3738, 5577, 5607, 5874, 6006, 6853, 6942, 7098, 8099, 8811, 9009, 10413, 10647, 11154, 11214, 12727, 13013, 13706, 15041, 16198, 16731, 17622, 18018, 20559, 20826, 21294, 24297, 25454, 26026, 30082, 33462, 38181, 39039, 41118, 45123, 48594, 61677, 72891, 76362, 78078, 89089, 90246, 105287, 114543, 117117, 123354, 135369, 145782, 165451, 178178, 210574, 229086, 234234, 267267, 270738, 315861, 330902, 496353, 534534, 631722, 801801, 947583, 992706, 1158157, 1489059, 1603602, 1895166, 2316314, 2978118, 3474471, 6948942, 10423413, 20846826]

約数ペア:

[(1, 20846826), (2, 10423413), (3, 6948942), (6, 3474471), (7, 2978118), (9, 2316314), (11, 1895166), (13, 1603602), (14, 1489059), (18, 1158157), (21, 992706), (22, 947583), (26, 801801), (33, 631722), (39, 534534), (42, 496353), (63, 330902), (66, 315861), (77, 270738), (78, 267267), (89, 234234), (91, 229086), (99, 210574), (117, 178178), (126, 165451), (143, 145782), (154, 135369), (169, 123354), (178, 117117), (182, 114543), (198, 105287), (231, 90246), (234, 89089), (267, 78078), (273, 76362), (286, 72891), (338, 61677), (429, 48594), (462, 45123), (507, 41118), (534, 39039), (546, 38181), (623, 33462), (693, 30082), (801, 26026), (819, 25454), (858, 24297), (979, 21294), (1001, 20826), (1014, 20559), (1157, 18018), (1183, 17622), (1246, 16731), (1287, 16198), (1386, 15041), (1521, 13706), (1602, 13013), (1638, 12727), (1859, 11214), (1869, 11154), (1958, 10647), (2002, 10413), (2314, 9009), (2366, 8811), (2574, 8099), (2937, 7098), (3003, 6942), (3042, 6853), (3471, 6006), (3549, 5874), (3718, 5607), (3738, 5577)]