20837142

素因数分解:

$2^1\times 3^3\times {\mathrm{37}}^1\times {\mathrm{10429}}^1$

素因数の和:10477

約数の個数: 32

約数和(自身を含む): 47560800

約数和(自身を除く): 26723658

約数列:

[1, 2, 3, 6, 9, 18, 27, 37, 54, 74, 111, 222, 333, 666, 999, 1998, 10429, 20858, 31287, 62574, 93861, 187722, 281583, 385873, 563166, 771746, 1157619, 2315238, 3472857, 6945714, 10418571, 20837142]

約数ペア:

[(1, 20837142), (2, 10418571), (3, 6945714), (6, 3472857), (9, 2315238), (18, 1157619), (27, 771746), (37, 563166), (54, 385873), (74, 281583), (111, 187722), (222, 93861), (333, 62574), (666, 31287), (999, 20858), (1998, 10429)]