20128786090

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{2111}}^1\times {\mathrm{136217}}^1$

素因数の和:138342

約数の個数: 32

約数和(自身を含む): 41427707904

約数和(自身を除く): 21298921814

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 2111, 4222, 10555, 14777, 21110, 29554, 73885, 136217, 147770, 272434, 681085, 953519, 1362170, 1907038, 4767595, 9535190, 287554087, 575108174, 1437770435, 2012878609, 2875540870, 4025757218, 10064393045, 20128786090]

約数ペア:

[(1, 20128786090), (2, 10064393045), (5, 4025757218), (7, 2875540870), (10, 2012878609), (14, 1437770435), (35, 575108174), (70, 287554087), (2111, 9535190), (4222, 4767595), (10555, 1907038), (14777, 1362170), (21110, 953519), (29554, 681085), (73885, 272434), (136217, 147770)]