20358156

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{181}}^1$

素因数の和:311

約数の個数: 96

約数和(自身を含む): 59358208

約数和(自身を除く): 39000052

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 39, 42, 52, 78, 84, 91, 103, 156, 181, 182, 206, 273, 309, 362, 364, 412, 543, 546, 618, 721, 724, 1086, 1092, 1236, 1267, 1339, 1442, 2163, 2172, 2353, 2534, 2678, 2884, 3801, 4017, 4326, 4706, 5068, 5356, 7059, 7602, 8034, 8652, 9373, 9412, 14118, 15204, 16068, 16471, 18643, 18746, 28119, 28236, 32942, 37286, 37492, 49413, 55929, 56238, 65884, 74572, 98826, 111858, 112476, 130501, 197652, 223716, 242359, 261002, 391503, 484718, 522004, 727077, 783006, 969436, 1454154, 1566012, 1696513, 2908308, 3393026, 5089539, 6786052, 10179078, 20358156]

約数ペア:

[(1, 20358156), (2, 10179078), (3, 6786052), (4, 5089539), (6, 3393026), (7, 2908308), (12, 1696513), (13, 1566012), (14, 1454154), (21, 969436), (26, 783006), (28, 727077), (39, 522004), (42, 484718), (52, 391503), (78, 261002), (84, 242359), (91, 223716), (103, 197652), (156, 130501), (181, 112476), (182, 111858), (206, 98826), (273, 74572), (309, 65884), (362, 56238), (364, 55929), (412, 49413), (543, 37492), (546, 37286), (618, 32942), (721, 28236), (724, 28119), (1086, 18746), (1092, 18643), (1236, 16471), (1267, 16068), (1339, 15204), (1442, 14118), (2163, 9412), (2172, 9373), (2353, 8652), (2534, 8034), (2678, 7602), (2884, 7059), (3801, 5356), (4017, 5068), (4326, 4706)]