20052986870

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{1087}}^1\times {\mathrm{37649}}^1$

素因数の和:38757

約数の個数: 48

約数和(自身を含む): 42028243200

約数和(自身を除く): 21975256330

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 1087, 2174, 5435, 7609, 10870, 15218, 37649, 38045, 53263, 75298, 76090, 106526, 188245, 263543, 266315, 376490, 527086, 532630, 1317715, 1844801, 2635430, 3689602, 9224005, 18448010, 40924463, 81848926, 204622315, 286471241, 409244630, 572942482, 1432356205, 2005298687, 2864712410, 4010597374, 10026493435, 20052986870]

約数ペア:

[(1, 20052986870), (2, 10026493435), (5, 4010597374), (7, 2864712410), (10, 2005298687), (14, 1432356205), (35, 572942482), (49, 409244630), (70, 286471241), (98, 204622315), (245, 81848926), (490, 40924463), (1087, 18448010), (2174, 9224005), (5435, 3689602), (7609, 2635430), (10870, 1844801), (15218, 1317715), (37649, 532630), (38045, 527086), (53263, 376490), (75298, 266315), (76090, 263543), (106526, 188245)]