20961693

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{1409}}^1$

素因数の和:1466

約数の個数: 32

約数和(自身を含む): 33840000

約数和(自身を除く): 12878307

約数列:

[1, 3, 9, 19, 27, 29, 57, 87, 171, 261, 513, 551, 783, 1409, 1653, 4227, 4959, 12681, 14877, 26771, 38043, 40861, 80313, 122583, 240939, 367749, 722817, 776359, 1103247, 2329077, 6987231, 20961693]

約数ペア:

[(1, 20961693), (3, 6987231), (9, 2329077), (19, 1103247), (27, 776359), (29, 722817), (57, 367749), (87, 240939), (171, 122583), (261, 80313), (513, 40861), (551, 38043), (783, 26771), (1409, 14877), (1653, 12681), (4227, 4959)]