20224254987

素因数分解:

$3^3\times {\mathrm{19}}^2\times {\mathrm{29}}^1\times {\mathrm{71549}}^1$

素因数の和:71625

約数の個数: 48

約数和(自身を含む): 32712660000

約数和(自身を除く): 12488405013

約数列:

[1, 3, 9, 19, 27, 29, 57, 87, 171, 261, 361, 513, 551, 783, 1083, 1653, 3249, 4959, 9747, 10469, 14877, 31407, 71549, 94221, 214647, 282663, 643941, 1359431, 1931823, 2074921, 4078293, 6224763, 12234879, 18674289, 25829189, 36704637, 39423499, 56022867, 77487567, 118270497, 232462701, 354811491, 697388103, 749046481, 1064434473, 2247139443, 6741418329, 20224254987]

約数ペア:

[(1, 20224254987), (3, 6741418329), (9, 2247139443), (19, 1064434473), (27, 749046481), (29, 697388103), (57, 354811491), (87, 232462701), (171, 118270497), (261, 77487567), (361, 56022867), (513, 39423499), (551, 36704637), (783, 25829189), (1083, 18674289), (1653, 12234879), (3249, 6224763), (4959, 4078293), (9747, 2074921), (10469, 1931823), (14877, 1359431), (31407, 643941), (71549, 282663), (94221, 214647)]