20471004

素因数分解:

$2^2\times 3^2\times {\mathrm{71}}^1\times {\mathrm{8009}}^1$

素因数の和:8090

約数の個数: 36

約数和(自身を含む): 52481520

約数和(自身を除く): 32010516

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 71, 142, 213, 284, 426, 639, 852, 1278, 2556, 8009, 16018, 24027, 32036, 48054, 72081, 96108, 144162, 288324, 568639, 1137278, 1705917, 2274556, 3411834, 5117751, 6823668, 10235502, 20471004]

約数ペア:

[(1, 20471004), (2, 10235502), (3, 6823668), (4, 5117751), (6, 3411834), (9, 2274556), (12, 1705917), (18, 1137278), (36, 568639), (71, 288324), (142, 144162), (213, 96108), (284, 72081), (426, 48054), (639, 32036), (852, 24027), (1278, 16018), (2556, 8009)]