20218596790

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{4447}}^1\times {\mathrm{64951}}^1$

素因数の和:69412

約数の個数: 32

約数和(自身を含む): 41602535424

約数和(自身を除く): 21383938634

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 4447, 8894, 22235, 31129, 44470, 62258, 64951, 129902, 155645, 311290, 324755, 454657, 649510, 909314, 2273285, 4546570, 288837097, 577674194, 1444185485, 2021859679, 2888370970, 4043719358, 10109298395, 20218596790]

約数ペア:

[(1, 20218596790), (2, 10109298395), (5, 4043719358), (7, 2888370970), (10, 2021859679), (14, 1444185485), (35, 577674194), (70, 288837097), (4447, 4546570), (8894, 2273285), (22235, 909314), (31129, 649510), (44470, 454657), (62258, 324755), (64951, 311290), (129902, 155645)]