20512019936

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{337}}^1\times {\mathrm{881}}^1$

素因数の和:1372

約数の個数: 96

約数和(自身を含む): 43272133632

約数和(自身を除く): 22760113696

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 68, 127, 136, 254, 272, 337, 508, 544, 674, 881, 1016, 1348, 1762, 2032, 2159, 2696, 3524, 4064, 4318, 5392, 5729, 7048, 8636, 10784, 11458, 14096, 14977, 17272, 22916, 28192, 29954, 34544, 42799, 45832, 59908, 69088, 85598, 91664, 111887, 119816, 171196, 183328, 223774, 239632, 296897, 342392, 447548, 479264, 593794, 684784, 727583, 895096, 1187588, 1369568, 1455166, 1790192, 1902079, 2375176, 2910332, 3580384, 3804158, 4750352, 5047249, 5820664, 7608316, 9500704, 10094498, 11641328, 15216632, 20188996, 23282656, 30433264, 37705919, 40377992, 60866528, 75411838, 80755984, 150823676, 161511968, 301647352, 603294704, 641000623, 1206589408, 1282001246, 2564002492, 5128004984, 10256009968, 20512019936]

約数ペア:

[(1, 20512019936), (2, 10256009968), (4, 5128004984), (8, 2564002492), (16, 1282001246), (17, 1206589408), (32, 641000623), (34, 603294704), (68, 301647352), (127, 161511968), (136, 150823676), (254, 80755984), (272, 75411838), (337, 60866528), (508, 40377992), (544, 37705919), (674, 30433264), (881, 23282656), (1016, 20188996), (1348, 15216632), (1762, 11641328), (2032, 10094498), (2159, 9500704), (2696, 7608316), (3524, 5820664), (4064, 5047249), (4318, 4750352), (5392, 3804158), (5729, 3580384), (7048, 2910332), (8636, 2375176), (10784, 1902079), (11458, 1790192), (14096, 1455166), (14977, 1369568), (17272, 1187588), (22916, 895096), (28192, 727583), (29954, 684784), (34544, 593794), (42799, 479264), (45832, 447548), (59908, 342392), (69088, 296897), (85598, 239632), (91664, 223774), (111887, 183328), (119816, 171196)]