20305998

素因数分解:

$2^1\times 3^3\times {\mathrm{523}}^1\times {\mathrm{719}}^1$

素因数の和:1253

約数の個数: 32

約数和(自身を含む): 45273600

約数和(自身を除く): 24967602

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 523, 719, 1046, 1438, 1569, 2157, 3138, 4314, 4707, 6471, 9414, 12942, 14121, 19413, 28242, 38826, 376037, 752074, 1128111, 2256222, 3384333, 6768666, 10152999, 20305998]

約数ペア:

[(1, 20305998), (2, 10152999), (3, 6768666), (6, 3384333), (9, 2256222), (18, 1128111), (27, 752074), (54, 376037), (523, 38826), (719, 28242), (1046, 19413), (1438, 14121), (1569, 12942), (2157, 9414), (3138, 6471), (4314, 4707)]