20132579987

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{49429}}^1$

素因数の和:49575

約数の個数: 32

約数和(自身を含む): 24414465600

約数和(自身を除く): 4281885613

約数列:

[1, 13, 17, 19, 97, 221, 247, 323, 1261, 1649, 1843, 4199, 21437, 23959, 31331, 49429, 407303, 642577, 840293, 939151, 4794613, 10923809, 12208963, 15965567, 62329969, 81508421, 91097647, 207552371, 1059609473, 1184269411, 1548659999, 20132579987]

約数ペア:

[(1, 20132579987), (13, 1548659999), (17, 1184269411), (19, 1059609473), (97, 207552371), (221, 91097647), (247, 81508421), (323, 62329969), (1261, 15965567), (1649, 12208963), (1843, 10923809), (4199, 4794613), (21437, 939151), (23959, 840293), (31331, 642577), (49429, 407303)]