20534436

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1$

素因数の和:158

約数の個数: 144

約数和(自身を含む): 61916400

約数和(自身を除く): 41381964

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 17, 18, 26, 29, 34, 36, 39, 51, 52, 58, 68, 78, 87, 89, 102, 116, 117, 153, 156, 174, 178, 204, 221, 234, 261, 267, 306, 348, 356, 377, 442, 468, 493, 522, 534, 612, 663, 754, 801, 884, 986, 1044, 1068, 1131, 1157, 1326, 1479, 1508, 1513, 1602, 1972, 1989, 2262, 2314, 2581, 2652, 2958, 3026, 3204, 3393, 3471, 3978, 4437, 4524, 4539, 4628, 5162, 5916, 6052, 6409, 6786, 6942, 7743, 7956, 8874, 9078, 10324, 10413, 12818, 13572, 13617, 13884, 15486, 17748, 18156, 19227, 19669, 20826, 23229, 25636, 27234, 30972, 33553, 38454, 39338, 41652, 43877, 46458, 54468, 57681, 59007, 67106, 76908, 78676, 87754, 92916, 100659, 115362, 118014, 131631, 134212, 175508, 177021, 201318, 230724, 236028, 263262, 301977, 354042, 394893, 402636, 526524, 570401, 603954, 708084, 789786, 1140802, 1207908, 1579572, 1711203, 2281604, 3422406, 5133609, 6844812, 10267218, 20534436]

約数ペア:

[(1, 20534436), (2, 10267218), (3, 6844812), (4, 5133609), (6, 3422406), (9, 2281604), (12, 1711203), (13, 1579572), (17, 1207908), (18, 1140802), (26, 789786), (29, 708084), (34, 603954), (36, 570401), (39, 526524), (51, 402636), (52, 394893), (58, 354042), (68, 301977), (78, 263262), (87, 236028), (89, 230724), (102, 201318), (116, 177021), (117, 175508), (153, 134212), (156, 131631), (174, 118014), (178, 115362), (204, 100659), (221, 92916), (234, 87754), (261, 78676), (267, 76908), (306, 67106), (348, 59007), (356, 57681), (377, 54468), (442, 46458), (468, 43877), (493, 41652), (522, 39338), (534, 38454), (612, 33553), (663, 30972), (754, 27234), (801, 25636), (884, 23229), (986, 20826), (1044, 19669), (1068, 19227), (1131, 18156), (1157, 17748), (1326, 15486), (1479, 13884), (1508, 13617), (1513, 13572), (1602, 12818), (1972, 10413), (1989, 10324), (2262, 9078), (2314, 8874), (2581, 7956), (2652, 7743), (2958, 6942), (3026, 6786), (3204, 6409), (3393, 6052), (3471, 5916), (3978, 5162), (4437, 4628), (4524, 4539)]