20530184

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{4357}}^1$

素因数の和:4413

約数の個数: 32

約数和(自身を含む): 41836800

約数和(自身を除く): 21306616

約数列:

[1, 2, 4, 8, 19, 31, 38, 62, 76, 124, 152, 248, 589, 1178, 2356, 4357, 4712, 8714, 17428, 34856, 82783, 135067, 165566, 270134, 331132, 540268, 662264, 1080536, 2566273, 5132546, 10265092, 20530184]

約数ペア:

[(1, 20530184), (2, 10265092), (4, 5132546), (8, 2566273), (19, 1080536), (31, 662264), (38, 540268), (62, 331132), (76, 270134), (124, 165566), (152, 135067), (248, 82783), (589, 34856), (1178, 17428), (2356, 8714), (4357, 4712)]