20142940

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43789}}^1$

素因数の和:43821

約数の個数: 24

約数和(自身を含む): 44140320

約数和(自身を除く): 23997380

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 43789, 87578, 175156, 218945, 437890, 875780, 1007147, 2014294, 4028588, 5035735, 10071470, 20142940]

約数ペア:

[(1, 20142940), (2, 10071470), (4, 5035735), (5, 4028588), (10, 2014294), (20, 1007147), (23, 875780), (46, 437890), (92, 218945), (115, 175156), (230, 87578), (460, 43789)]