20161294912

素因数分解:

$2^6\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{83983}}^1$

素因数の和:84048

約数の個数: 84

約数和(自身を含む): 45394359808

約数和(自身を除く): 25233064896

約数列:

[1, 2, 4, 8, 11, 16, 22, 31, 32, 44, 62, 64, 88, 121, 124, 176, 242, 248, 341, 352, 484, 496, 682, 704, 968, 992, 1364, 1936, 1984, 2728, 3751, 3872, 5456, 7502, 7744, 10912, 15004, 21824, 30008, 60016, 83983, 120032, 167966, 240064, 335932, 671864, 923813, 1343728, 1847626, 2603473, 2687456, 3695252, 5206946, 5374912, 7390504, 10161943, 10413892, 14781008, 20323886, 20827784, 28638203, 29562016, 40647772, 41655568, 57276406, 59124032, 81295544, 83311136, 114552812, 162591088, 166622272, 229105624, 315020233, 325182176, 458211248, 630040466, 650364352, 916422496, 1260080932, 1832844992, 2520161864, 5040323728, 10080647456, 20161294912]

約数ペア:

[(1, 20161294912), (2, 10080647456), (4, 5040323728), (8, 2520161864), (11, 1832844992), (16, 1260080932), (22, 916422496), (31, 650364352), (32, 630040466), (44, 458211248), (62, 325182176), (64, 315020233), (88, 229105624), (121, 166622272), (124, 162591088), (176, 114552812), (242, 83311136), (248, 81295544), (341, 59124032), (352, 57276406), (484, 41655568), (496, 40647772), (682, 29562016), (704, 28638203), (968, 20827784), (992, 20323886), (1364, 14781008), (1936, 10413892), (1984, 10161943), (2728, 7390504), (3751, 5374912), (3872, 5206946), (5456, 3695252), (7502, 2687456), (7744, 2603473), (10912, 1847626), (15004, 1343728), (21824, 923813), (30008, 671864), (60016, 335932), (83983, 240064), (120032, 167966)]