20843830

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{191}}^1\times {\mathrm{1559}}^1$

素因数の和:1764

約数の個数: 32

約数和(自身を含む): 43130880

約数和(自身を除く): 22287050

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 191, 382, 955, 1337, 1559, 1910, 2674, 3118, 6685, 7795, 10913, 13370, 15590, 21826, 54565, 109130, 297769, 595538, 1488845, 2084383, 2977690, 4168766, 10421915, 20843830]

約数ペア:

[(1, 20843830), (2, 10421915), (5, 4168766), (7, 2977690), (10, 2084383), (14, 1488845), (35, 595538), (70, 297769), (191, 109130), (382, 54565), (955, 21826), (1337, 15590), (1559, 13370), (1910, 10913), (2674, 7795), (3118, 6685)]