20235961683

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{641}}^1\times {\mathrm{21787}}^1$

素因数の和:22464

約数の個数: 48

約数和(自身を含む): 34913788416

約数和(自身を除く): 14677826733

約数列:

[1, 3, 7, 9, 21, 23, 63, 69, 161, 207, 483, 641, 1449, 1923, 4487, 5769, 13461, 14743, 21787, 40383, 44229, 65361, 103201, 132687, 152509, 196083, 309603, 457527, 501101, 928809, 1372581, 1503303, 3507707, 4509909, 10523121, 13965467, 31569363, 41896401, 97758269, 125689203, 293274807, 321205741, 879824421, 963617223, 2248440187, 2890851669, 6745320561, 20235961683]

約数ペア:

[(1, 20235961683), (3, 6745320561), (7, 2890851669), (9, 2248440187), (21, 963617223), (23, 879824421), (63, 321205741), (69, 293274807), (161, 125689203), (207, 97758269), (483, 41896401), (641, 31569363), (1449, 13965467), (1923, 10523121), (4487, 4509909), (5769, 3507707), (13461, 1503303), (14743, 1372581), (21787, 928809), (40383, 501101), (44229, 457527), (65361, 309603), (103201, 196083), (132687, 152509)]