20554638016

素因数分解:

$2^6\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{161309}}^1$

素因数の和:161513

約数の個数: 56

約数和(自身を含む): 44742232080

約数和(自身を除く): 24187594064

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 64, 88, 176, 181, 352, 362, 704, 724, 1448, 1991, 2896, 3982, 5792, 7964, 11584, 15928, 31856, 63712, 127424, 161309, 322618, 645236, 1290472, 1774399, 2580944, 3548798, 5161888, 7097596, 10323776, 14195192, 28390384, 29196929, 56780768, 58393858, 113561536, 116787716, 233575432, 321166219, 467150864, 642332438, 934301728, 1284664876, 1868603456, 2569329752, 5138659504, 10277319008, 20554638016]

約数ペア:

[(1, 20554638016), (2, 10277319008), (4, 5138659504), (8, 2569329752), (11, 1868603456), (16, 1284664876), (22, 934301728), (32, 642332438), (44, 467150864), (64, 321166219), (88, 233575432), (176, 116787716), (181, 113561536), (352, 58393858), (362, 56780768), (704, 29196929), (724, 28390384), (1448, 14195192), (1991, 10323776), (2896, 7097596), (3982, 5161888), (5792, 3548798), (7964, 2580944), (11584, 1774399), (15928, 1290472), (31856, 645236), (63712, 322618), (127424, 161309)]