20792044

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{239}}^2$

素因数の和:502

約数の個数: 36

約数和(自身を含む): 44971024

約数和(自身を除く): 24178980

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 239, 364, 478, 956, 1673, 3107, 3346, 6214, 6692, 12428, 21749, 43498, 57121, 86996, 114242, 228484, 399847, 742573, 799694, 1485146, 1599388, 2970292, 5198011, 10396022, 20792044]

約数ペア:

[(1, 20792044), (2, 10396022), (4, 5198011), (7, 2970292), (13, 1599388), (14, 1485146), (26, 799694), (28, 742573), (52, 399847), (91, 228484), (182, 114242), (239, 86996), (364, 57121), (478, 43498), (956, 21749), (1673, 12428), (3107, 6692), (3346, 6214)]