42069820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{161807}}^1$

素因数の和:161829

約数の個数: 24

約数和(自身を含む): 95143104

約数和(自身を除く): 53073284

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 161807, 323614, 647228, 809035, 1618070, 2103491, 3236140, 4206982, 8413964, 10517455, 21034910, 42069820]

約数ペア:

[(1, 42069820), (2, 21034910), (4, 10517455), (5, 8413964), (10, 4206982), (13, 3236140), (20, 2103491), (26, 1618070), (52, 809035), (65, 647228), (130, 323614), (260, 161807)]