20304380

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{32749}}^1$

素因数の和:32789

約数の個数: 24

約数和(自身を含む): 44016000

約数和(自身を除く): 23711620

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 32749, 65498, 130996, 163745, 327490, 654980, 1015219, 2030438, 4060876, 5076095, 10152190, 20304380]

約数ペア:

[(1, 20304380), (2, 10152190), (4, 5076095), (5, 4060876), (10, 2030438), (20, 1015219), (31, 654980), (62, 327490), (124, 163745), (155, 130996), (310, 65498), (620, 32749)]