20848113

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{167}}^1$

素因数の和:294

約数の個数: 48

約数和(自身を含む): 35957376

約数和(自身を除く): 15109263

約数列:

[1, 3, 9, 11, 13, 33, 39, 97, 99, 117, 143, 167, 291, 429, 501, 873, 1067, 1261, 1287, 1503, 1837, 2171, 3201, 3783, 5511, 6513, 9603, 11349, 13871, 16199, 16533, 19539, 23881, 41613, 48597, 71643, 124839, 145791, 178189, 210587, 214929, 534567, 631761, 1603701, 1895283, 2316457, 6949371, 20848113]

約数ペア:

[(1, 20848113), (3, 6949371), (9, 2316457), (11, 1895283), (13, 1603701), (33, 631761), (39, 534567), (97, 214929), (99, 210587), (117, 178189), (143, 145791), (167, 124839), (291, 71643), (429, 48597), (501, 41613), (873, 23881), (1067, 19539), (1261, 16533), (1287, 16199), (1503, 13871), (1837, 11349), (2171, 9603), (3201, 6513), (3783, 5511)]