20163990588

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{89}}^1\times {\mathrm{373}}^1\times {\mathrm{1033}}^1$

素因数の和:1516

約数の個数: 144

約数和(自身を含む): 55547886240

約数和(自身を除く): 35383895652

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 89, 98, 147, 178, 196, 267, 294, 356, 373, 534, 588, 623, 746, 1033, 1068, 1119, 1246, 1492, 1869, 2066, 2238, 2492, 2611, 3099, 3738, 4132, 4361, 4476, 5222, 6198, 7231, 7476, 7833, 8722, 10444, 12396, 13083, 14462, 15666, 17444, 18277, 21693, 26166, 28924, 31332, 33197, 36554, 43386, 50617, 52332, 54831, 66394, 73108, 86772, 91937, 99591, 101234, 109662, 132788, 151851, 183874, 199182, 202468, 219324, 232379, 275811, 303702, 367748, 385309, 398364, 464758, 551622, 607404, 643559, 697137, 770618, 929516, 1103244, 1155927, 1287118, 1394274, 1541236, 1626653, 1930677, 2311854, 2574236, 2697163, 2788548, 3253306, 3861354, 4504913, 4623708, 4879959, 5394326, 6506612, 7722708, 8091489, 9009826, 9759918, 10788652, 13514739, 16182978, 18019652, 18880141, 19519836, 27029478, 32365956, 34292501, 37760282, 54058956, 56640423, 68585002, 75520564, 102877503, 113280846, 137170004, 205755006, 226561692, 240047507, 411510012, 480095014, 720142521, 960190028, 1440285042, 1680332549, 2880570084, 3360665098, 5040997647, 6721330196, 10081995294, 20163990588]

約数ペア:

[(1, 20163990588), (2, 10081995294), (3, 6721330196), (4, 5040997647), (6, 3360665098), (7, 2880570084), (12, 1680332549), (14, 1440285042), (21, 960190028), (28, 720142521), (42, 480095014), (49, 411510012), (84, 240047507), (89, 226561692), (98, 205755006), (147, 137170004), (178, 113280846), (196, 102877503), (267, 75520564), (294, 68585002), (356, 56640423), (373, 54058956), (534, 37760282), (588, 34292501), (623, 32365956), (746, 27029478), (1033, 19519836), (1068, 18880141), (1119, 18019652), (1246, 16182978), (1492, 13514739), (1869, 10788652), (2066, 9759918), (2238, 9009826), (2492, 8091489), (2611, 7722708), (3099, 6506612), (3738, 5394326), (4132, 4879959), (4361, 4623708), (4476, 4504913), (5222, 3861354), (6198, 3253306), (7231, 2788548), (7476, 2697163), (7833, 2574236), (8722, 2311854), (10444, 1930677), (12396, 1626653), (13083, 1541236), (14462, 1394274), (15666, 1287118), (17444, 1155927), (18277, 1103244), (21693, 929516), (26166, 770618), (28924, 697137), (31332, 643559), (33197, 607404), (36554, 551622), (43386, 464758), (50617, 398364), (52332, 385309), (54831, 367748), (66394, 303702), (73108, 275811), (86772, 232379), (91937, 219324), (99591, 202468), (101234, 199182), (109662, 183874), (132788, 151851)]