20119991428

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{1373}}^1\times {\mathrm{3389}}^1$

素因数の和:4836

約数の個数: 48

約数和(自身を含む): 37560983040

約数和(自身を除く): 17440991612

約数列:

[1, 2, 4, 23, 46, 47, 92, 94, 188, 1081, 1373, 2162, 2746, 3389, 4324, 5492, 6778, 13556, 31579, 63158, 64531, 77947, 126316, 129062, 155894, 159283, 258124, 311788, 318566, 637132, 1484213, 2968426, 3663509, 4653097, 5936852, 7327018, 9306194, 14654036, 18612388, 107021231, 214042462, 218695559, 428084924, 437391118, 874782236, 5029997857, 10059995714, 20119991428]

約数ペア:

[(1, 20119991428), (2, 10059995714), (4, 5029997857), (23, 874782236), (46, 437391118), (47, 428084924), (92, 218695559), (94, 214042462), (188, 107021231), (1081, 18612388), (1373, 14654036), (2162, 9306194), (2746, 7327018), (3389, 5936852), (4324, 4653097), (5492, 3663509), (6778, 2968426), (13556, 1484213), (31579, 637132), (63158, 318566), (64531, 311788), (77947, 258124), (126316, 159283), (129062, 155894)]