20197870833

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{1237}}^1\times {\mathrm{45737}}^1$

素因数の和:47001

約数の個数: 32

約数和(自身を含む): 32615218944

約数和(自身を除く): 12417348111

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 1237, 3711, 8659, 21029, 25977, 45737, 63087, 137211, 147203, 320159, 441609, 777529, 960477, 2332587, 5442703, 16328109, 56576669, 169730007, 396036683, 961803373, 1188110049, 2885410119, 6732623611, 20197870833]

約数ペア:

[(1, 20197870833), (3, 6732623611), (7, 2885410119), (17, 1188110049), (21, 961803373), (51, 396036683), (119, 169730007), (357, 56576669), (1237, 16328109), (3711, 5442703), (8659, 2332587), (21029, 960477), (25977, 777529), (45737, 441609), (63087, 320159), (137211, 147203)]