20190555

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{5827}}^1$

素因数の和:5856

約数の個数: 48

約数和(自身を含む): 43640064

約数和(自身を除く): 23449509

約数列:

[1, 3, 5, 7, 9, 11, 15, 21, 33, 35, 45, 55, 63, 77, 99, 105, 165, 231, 315, 385, 495, 693, 1155, 3465, 5827, 17481, 29135, 40789, 52443, 64097, 87405, 122367, 192291, 203945, 262215, 320485, 367101, 448679, 576873, 611835, 961455, 1346037, 1835505, 2243395, 2884365, 4038111, 6730185, 20190555]

約数ペア:

[(1, 20190555), (3, 6730185), (5, 4038111), (7, 2884365), (9, 2243395), (11, 1835505), (15, 1346037), (21, 961455), (33, 611835), (35, 576873), (45, 448679), (55, 367101), (63, 320485), (77, 262215), (99, 203945), (105, 192291), (165, 122367), (231, 87405), (315, 64097), (385, 52443), (495, 40789), (693, 29135), (1155, 17481), (3465, 5827)]