20172405616

素因数分解:

$2^4\times {\mathrm{11}}^2\times {\mathrm{43}}^1\times {\mathrm{167}}^1\times {\mathrm{1451}}^1$

素因数の和:1691

約数の個数: 120

約数和(自身を含む): 44252917632

約数和(自身を除く): 24080512016

約数列:

[1, 2, 4, 8, 11, 16, 22, 43, 44, 86, 88, 121, 167, 172, 176, 242, 334, 344, 473, 484, 668, 688, 946, 968, 1336, 1451, 1837, 1892, 1936, 2672, 2902, 3674, 3784, 5203, 5804, 7181, 7348, 7568, 10406, 11608, 14362, 14696, 15961, 20207, 20812, 23216, 28724, 29392, 31922, 40414, 41624, 57448, 62393, 63844, 78991, 80828, 83248, 114896, 124786, 127688, 157982, 161656, 175571, 242317, 249572, 255376, 315964, 323312, 351142, 484634, 499144, 631928, 686323, 702284, 868901, 969268, 998288, 1263856, 1372646, 1404568, 1737802, 1938536, 2665487, 2745292, 2809136, 3475604, 3877072, 5330974, 5490584, 6951208, 7549553, 10419631, 10661948, 10981168, 13902416, 15099106, 20839262, 21323896, 29320357, 30198212, 41678524, 42647792, 58640714, 60396424, 83357048, 114615941, 117281428, 120792848, 166714096, 229231882, 234562856, 458463764, 469125712, 916927528, 1260775351, 1833855056, 2521550702, 5043101404, 10086202808, 20172405616]

約数ペア:

[(1, 20172405616), (2, 10086202808), (4, 5043101404), (8, 2521550702), (11, 1833855056), (16, 1260775351), (22, 916927528), (43, 469125712), (44, 458463764), (86, 234562856), (88, 229231882), (121, 166714096), (167, 120792848), (172, 117281428), (176, 114615941), (242, 83357048), (334, 60396424), (344, 58640714), (473, 42647792), (484, 41678524), (668, 30198212), (688, 29320357), (946, 21323896), (968, 20839262), (1336, 15099106), (1451, 13902416), (1837, 10981168), (1892, 10661948), (1936, 10419631), (2672, 7549553), (2902, 6951208), (3674, 5490584), (3784, 5330974), (5203, 3877072), (5804, 3475604), (7181, 2809136), (7348, 2745292), (7568, 2665487), (10406, 1938536), (11608, 1737802), (14362, 1404568), (14696, 1372646), (15961, 1263856), (20207, 998288), (20812, 969268), (23216, 868901), (28724, 702284), (29392, 686323), (31922, 631928), (40414, 499144), (41624, 484634), (57448, 351142), (62393, 323312), (63844, 315964), (78991, 255376), (80828, 249572), (83248, 242317), (114896, 175571), (124786, 161656), (127688, 157982)]