20177573283

素因数分解:

$3^6\times 7^1\times {\mathrm{71}}^1\times {\mathrm{55691}}^1$

素因数の和:55787

約数の個数: 56

約数和(自身を含む): 35061901056

約数和(自身を除く): 14884327773

約数列:

[1, 3, 7, 9, 21, 27, 63, 71, 81, 189, 213, 243, 497, 567, 639, 729, 1491, 1701, 1917, 4473, 5103, 5751, 13419, 17253, 40257, 51759, 55691, 120771, 167073, 362313, 389837, 501219, 1169511, 1503657, 3508533, 3954061, 4510971, 10525599, 11862183, 13532913, 27678427, 31576797, 35586549, 40598739, 83035281, 94730391, 106759647, 249105843, 284191173, 320278941, 747317529, 960836823, 2241952587, 2882510469, 6725857761, 20177573283]

約数ペア:

[(1, 20177573283), (3, 6725857761), (7, 2882510469), (9, 2241952587), (21, 960836823), (27, 747317529), (63, 320278941), (71, 284191173), (81, 249105843), (189, 106759647), (213, 94730391), (243, 83035281), (497, 40598739), (567, 35586549), (639, 31576797), (729, 27678427), (1491, 13532913), (1701, 11862183), (1917, 10525599), (4473, 4510971), (5103, 3954061), (5751, 3508533), (13419, 1503657), (17253, 1169511), (40257, 501219), (51759, 389837), (55691, 362313), (120771, 167073)]