20199892510

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{739}}^1\times {\mathrm{390487}}^1$

素因数の和:391240

約数の個数: 32

約数和(自身を含む): 41610401280

約数和(自身を除く): 21410508770

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 739, 1478, 3695, 5173, 7390, 10346, 25865, 51730, 390487, 780974, 1952435, 2733409, 3904870, 5466818, 13667045, 27334090, 288569893, 577139786, 1442849465, 2019989251, 2885698930, 4039978502, 10099946255, 20199892510]

約数ペア:

[(1, 20199892510), (2, 10099946255), (5, 4039978502), (7, 2885698930), (10, 2019989251), (14, 1442849465), (35, 577139786), (70, 288569893), (739, 27334090), (1478, 13667045), (3695, 5466818), (5173, 3904870), (7390, 2733409), (10346, 1952435), (25865, 780974), (51730, 390487)]