20494152

素因数分解:

$2^3\times 3^2\times 7^2\times {\mathrm{37}}^1\times {\mathrm{157}}^1$

素因数の和:220

約数の個数: 144

約数和(自身を含む): 66734460

約数和(自身を除く): 46240308

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 37, 42, 49, 56, 63, 72, 74, 84, 98, 111, 126, 147, 148, 157, 168, 196, 222, 252, 259, 294, 296, 314, 333, 392, 441, 444, 471, 504, 518, 588, 628, 666, 777, 882, 888, 942, 1036, 1099, 1176, 1256, 1332, 1413, 1554, 1764, 1813, 1884, 2072, 2198, 2331, 2664, 2826, 3108, 3297, 3528, 3626, 3768, 4396, 4662, 5439, 5652, 5809, 6216, 6594, 7252, 7693, 8792, 9324, 9891, 10878, 11304, 11618, 13188, 14504, 15386, 16317, 17427, 18648, 19782, 21756, 23079, 23236, 26376, 30772, 32634, 34854, 39564, 40663, 43512, 46158, 46472, 52281, 61544, 65268, 69237, 69708, 79128, 81326, 92316, 104562, 121989, 130536, 138474, 139416, 162652, 184632, 209124, 243978, 276948, 284641, 325304, 365967, 418248, 487956, 553896, 569282, 731934, 853923, 975912, 1138564, 1463868, 1707846, 2277128, 2561769, 2927736, 3415692, 5123538, 6831384, 10247076, 20494152]

約数ペア:

[(1, 20494152), (2, 10247076), (3, 6831384), (4, 5123538), (6, 3415692), (7, 2927736), (8, 2561769), (9, 2277128), (12, 1707846), (14, 1463868), (18, 1138564), (21, 975912), (24, 853923), (28, 731934), (36, 569282), (37, 553896), (42, 487956), (49, 418248), (56, 365967), (63, 325304), (72, 284641), (74, 276948), (84, 243978), (98, 209124), (111, 184632), (126, 162652), (147, 139416), (148, 138474), (157, 130536), (168, 121989), (196, 104562), (222, 92316), (252, 81326), (259, 79128), (294, 69708), (296, 69237), (314, 65268), (333, 61544), (392, 52281), (441, 46472), (444, 46158), (471, 43512), (504, 40663), (518, 39564), (588, 34854), (628, 32634), (666, 30772), (777, 26376), (882, 23236), (888, 23079), (942, 21756), (1036, 19782), (1099, 18648), (1176, 17427), (1256, 16317), (1332, 15386), (1413, 14504), (1554, 13188), (1764, 11618), (1813, 11304), (1884, 10878), (2072, 9891), (2198, 9324), (2331, 8792), (2664, 7693), (2826, 7252), (3108, 6594), (3297, 6216), (3528, 5809), (3626, 5652), (3768, 5439), (4396, 4662)]