20110971

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{107}}^1$

素因数の和:231

約数の個数: 32

約数和(自身を含む): 29196288

約数和(自身を除く): 9085317

約数列:

[1, 3, 31, 43, 47, 93, 107, 129, 141, 321, 1333, 1457, 2021, 3317, 3999, 4371, 4601, 5029, 6063, 9951, 13803, 15087, 62651, 142631, 155899, 187953, 216247, 427893, 467697, 648741, 6703657, 20110971]

約数ペア:

[(1, 20110971), (3, 6703657), (31, 648741), (43, 467697), (47, 427893), (93, 216247), (107, 187953), (129, 155899), (141, 142631), (321, 62651), (1333, 15087), (1457, 13803), (2021, 9951), (3317, 6063), (3999, 5029), (4371, 4601)]