20085396992

素因数分解:

$2^9\times {\mathrm{31}}^1\times {\mathrm{1265461}}^1$

素因数の和:1265510

約数の個数: 40

約数和(自身を含む): 41426164032

約数和(自身を除く): 21340767040

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 248, 256, 496, 512, 992, 1984, 3968, 7936, 15872, 1265461, 2530922, 5061844, 10123688, 20247376, 39229291, 40494752, 78458582, 80989504, 156917164, 161979008, 313834328, 323958016, 627668656, 647916032, 1255337312, 2510674624, 5021349248, 10042698496, 20085396992]

約数ペア:

[(1, 20085396992), (2, 10042698496), (4, 5021349248), (8, 2510674624), (16, 1255337312), (31, 647916032), (32, 627668656), (62, 323958016), (64, 313834328), (124, 161979008), (128, 156917164), (248, 80989504), (256, 78458582), (496, 40494752), (512, 39229291), (992, 20247376), (1984, 10123688), (3968, 5061844), (7936, 2530922), (15872, 1265461)]