20104162880

素因数分解:

$2^6\times 5^1\times {\mathrm{373}}^1\times {\mathrm{168433}}^1$

素因数の和:168823

約数の個数: 56

約数和(自身を含む): 48001668792

約数和(自身を除く): 27897505912

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 373, 746, 1492, 1865, 2984, 3730, 5968, 7460, 11936, 14920, 23872, 29840, 59680, 119360, 168433, 336866, 673732, 842165, 1347464, 1684330, 2694928, 3368660, 5389856, 6737320, 10779712, 13474640, 26949280, 53898560, 62825509, 125651018, 251302036, 314127545, 502604072, 628255090, 1005208144, 1256510180, 2010416288, 2513020360, 4020832576, 5026040720, 10052081440, 20104162880]

約数ペア:

[(1, 20104162880), (2, 10052081440), (4, 5026040720), (5, 4020832576), (8, 2513020360), (10, 2010416288), (16, 1256510180), (20, 1005208144), (32, 628255090), (40, 502604072), (64, 314127545), (80, 251302036), (160, 125651018), (320, 62825509), (373, 53898560), (746, 26949280), (1492, 13474640), (1865, 10779712), (2984, 6737320), (3730, 5389856), (5968, 3368660), (7460, 2694928), (11936, 1684330), (14920, 1347464), (23872, 842165), (29840, 673732), (59680, 336866), (119360, 168433)]