20005969641

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{1613}}^1\times {\mathrm{25679}}^1$

素因数の和:27325

約数の個数: 32

約数和(自身を含む): 31831695360

約数和(自身を除く): 11825725719

約数列:

[1, 3, 7, 21, 23, 69, 161, 483, 1613, 4839, 11291, 25679, 33873, 37099, 77037, 111297, 179753, 259693, 539259, 590617, 779079, 1771851, 4134319, 12402957, 41420227, 124260681, 289941589, 869824767, 952665221, 2857995663, 6668656547, 20005969641]

約数ペア:

[(1, 20005969641), (3, 6668656547), (7, 2857995663), (21, 952665221), (23, 869824767), (69, 289941589), (161, 124260681), (483, 41420227), (1613, 12402957), (4839, 4134319), (11291, 1771851), (25679, 779079), (33873, 590617), (37099, 539259), (77037, 259693), (111297, 179753)]