20804598152

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{33469}}^1$

素因数の和:33670

約数の個数: 64

約数和(自身を含む): 43296792000

約数和(自身を除く): 22492193848

約数列:

[1, 2, 4, 8, 13, 26, 43, 52, 86, 104, 139, 172, 278, 344, 556, 559, 1112, 1118, 1807, 2236, 3614, 4472, 5977, 7228, 11954, 14456, 23908, 33469, 47816, 66938, 77701, 133876, 155402, 267752, 310804, 435097, 621608, 870194, 1439167, 1740388, 2878334, 3480776, 4652191, 5756668, 9304382, 11513336, 18608764, 18709171, 37217528, 37418342, 60478483, 74836684, 120956966, 149673368, 200044213, 241913932, 400088426, 483827864, 800176852, 1600353704, 2600574769, 5201149538, 10402299076, 20804598152]

約数ペア:

[(1, 20804598152), (2, 10402299076), (4, 5201149538), (8, 2600574769), (13, 1600353704), (26, 800176852), (43, 483827864), (52, 400088426), (86, 241913932), (104, 200044213), (139, 149673368), (172, 120956966), (278, 74836684), (344, 60478483), (556, 37418342), (559, 37217528), (1112, 18709171), (1118, 18608764), (1807, 11513336), (2236, 9304382), (3614, 5756668), (4472, 4652191), (5977, 3480776), (7228, 2878334), (11954, 1740388), (14456, 1439167), (23908, 870194), (33469, 621608), (47816, 435097), (66938, 310804), (77701, 267752), (133876, 155402)]