20209152080

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{103}}^1\times {\mathrm{2273}}^1$

素因数の和:2485

約数の個数: 160

約数和(自身を含む): 51730189056

約数和(自身を除く): 31521036976

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 83, 103, 104, 130, 166, 206, 208, 260, 332, 412, 415, 515, 520, 664, 824, 830, 1030, 1040, 1079, 1328, 1339, 1648, 1660, 2060, 2158, 2273, 2678, 3320, 4120, 4316, 4546, 5356, 5395, 6640, 6695, 8240, 8549, 8632, 9092, 10712, 10790, 11365, 13390, 17098, 17264, 18184, 21424, 21580, 22730, 26780, 29549, 34196, 36368, 42745, 43160, 45460, 53560, 59098, 68392, 85490, 86320, 90920, 107120, 111137, 118196, 136784, 147745, 170980, 181840, 188659, 222274, 234119, 236392, 295490, 341960, 377318, 444548, 468238, 472784, 555685, 590980, 683920, 754636, 889096, 936476, 943295, 1111370, 1170595, 1181960, 1509272, 1778192, 1872952, 1886590, 2222740, 2341190, 2363920, 2452567, 3018544, 3043547, 3745904, 3773180, 4445480, 4682380, 4905134, 6087094, 7546360, 8890960, 9364760, 9810268, 12174188, 12262835, 15092720, 15217735, 18729520, 19431877, 19620536, 24348376, 24525670, 30435470, 38863754, 39241072, 48696752, 49051340, 60870940, 77727508, 97159385, 98102680, 121741880, 155455016, 194318770, 196205360, 243483760, 252614401, 310910032, 388637540, 505228802, 777275080, 1010457604, 1263072005, 1554550160, 2020915208, 2526144010, 4041830416, 5052288020, 10104576040, 20209152080]

約数ペア:

[(1, 20209152080), (2, 10104576040), (4, 5052288020), (5, 4041830416), (8, 2526144010), (10, 2020915208), (13, 1554550160), (16, 1263072005), (20, 1010457604), (26, 777275080), (40, 505228802), (52, 388637540), (65, 310910032), (80, 252614401), (83, 243483760), (103, 196205360), (104, 194318770), (130, 155455016), (166, 121741880), (206, 98102680), (208, 97159385), (260, 77727508), (332, 60870940), (412, 49051340), (415, 48696752), (515, 39241072), (520, 38863754), (664, 30435470), (824, 24525670), (830, 24348376), (1030, 19620536), (1040, 19431877), (1079, 18729520), (1328, 15217735), (1339, 15092720), (1648, 12262835), (1660, 12174188), (2060, 9810268), (2158, 9364760), (2273, 8890960), (2678, 7546360), (3320, 6087094), (4120, 4905134), (4316, 4682380), (4546, 4445480), (5356, 3773180), (5395, 3745904), (6640, 3043547), (6695, 3018544), (8240, 2452567), (8549, 2363920), (8632, 2341190), (9092, 2222740), (10712, 1886590), (10790, 1872952), (11365, 1778192), (13390, 1509272), (17098, 1181960), (17264, 1170595), (18184, 1111370), (21424, 943295), (21580, 936476), (22730, 889096), (26780, 754636), (29549, 683920), (34196, 590980), (36368, 555685), (42745, 472784), (43160, 468238), (45460, 444548), (53560, 377318), (59098, 341960), (68392, 295490), (85490, 236392), (86320, 234119), (90920, 222274), (107120, 188659), (111137, 181840), (118196, 170980), (136784, 147745)]