20832786

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{5237}}^1$

素因数の和:5275

約数の個数: 48

約数和(自身を含む): 51479064

約数和(自身を除く): 30646278

約数列:

[1, 2, 3, 6, 9, 13, 17, 18, 26, 34, 39, 51, 78, 102, 117, 153, 221, 234, 306, 442, 663, 1326, 1989, 3978, 5237, 10474, 15711, 31422, 47133, 68081, 89029, 94266, 136162, 178058, 204243, 267087, 408486, 534174, 612729, 801261, 1157377, 1225458, 1602522, 2314754, 3472131, 6944262, 10416393, 20832786]

約数ペア:

[(1, 20832786), (2, 10416393), (3, 6944262), (6, 3472131), (9, 2314754), (13, 1602522), (17, 1225458), (18, 1157377), (26, 801261), (34, 612729), (39, 534174), (51, 408486), (78, 267087), (102, 204243), (117, 178058), (153, 136162), (221, 94266), (234, 89029), (306, 68081), (442, 47133), (663, 31422), (1326, 15711), (1989, 10474), (3978, 5237)]