16884980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{120607}}^1$

素因数の和:120623

約数の個数: 24

約数和(自身を含む): 40524288

約数和(自身を除く): 23639308

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 120607, 241214, 482428, 603035, 844249, 1206070, 1688498, 2412140, 3376996, 4221245, 8442490, 16884980]

約数ペア:

[(1, 16884980), (2, 8442490), (4, 4221245), (5, 3376996), (7, 2412140), (10, 1688498), (14, 1206070), (20, 844249), (28, 603035), (35, 482428), (70, 241214), (140, 120607)]