20458077140

素因数分解:

$2^2\times 5^1\times {\mathrm{1163}}^1\times {\mathrm{879539}}^1$

素因数の和:880711

約数の個数: 24

約数和(自身を含む): 42998951520

約数和(自身を除く): 22540874380

約数列:

[1, 2, 4, 5, 10, 20, 1163, 2326, 4652, 5815, 11630, 23260, 879539, 1759078, 3518156, 4397695, 8795390, 17590780, 1022903857, 2045807714, 4091615428, 5114519285, 10229038570, 20458077140]

約数ペア:

[(1, 20458077140), (2, 10229038570), (4, 5114519285), (5, 4091615428), (10, 2045807714), (20, 1022903857), (1163, 17590780), (2326, 8795390), (4652, 4397695), (5815, 3518156), (11630, 1759078), (23260, 879539)]