20408492

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{269}}^1\times {\mathrm{1459}}^1$

素因数の和:1745

約数の個数: 24

約数和(自身を含む): 38631600

約数和(自身を除く): 18223108

約数列:

[1, 2, 4, 13, 26, 52, 269, 538, 1076, 1459, 2918, 3497, 5836, 6994, 13988, 18967, 37934, 75868, 392471, 784942, 1569884, 5102123, 10204246, 20408492]

約数ペア:

[(1, 20408492), (2, 10204246), (4, 5102123), (13, 1569884), (26, 784942), (52, 392471), (269, 75868), (538, 37934), (1076, 18967), (1459, 13988), (2918, 6994), (3497, 5836)]