20194815557

素因数分解:

$7^2\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{5987}}^1$

素因数の和:6138

約数の個数: 48

約数和(自身を含む): 25459443072

約数和(自身を除く): 5264627515

約数列:

[1, 7, 23, 41, 49, 73, 161, 287, 511, 943, 1127, 1679, 2009, 2993, 3577, 5987, 6601, 11753, 20951, 41909, 46207, 68839, 82271, 137701, 146657, 245467, 293363, 437051, 481873, 963907, 1718269, 3059357, 3373111, 5645741, 6747349, 10052173, 12027883, 17919091, 21415499, 39520187, 70365211, 125433637, 276641309, 412139093, 492556477, 878035459, 2884973651, 20194815557]

約数ペア:

[(1, 20194815557), (7, 2884973651), (23, 878035459), (41, 492556477), (49, 412139093), (73, 276641309), (161, 125433637), (287, 70365211), (511, 39520187), (943, 21415499), (1127, 17919091), (1679, 12027883), (2009, 10052173), (2993, 6747349), (3577, 5645741), (5987, 3373111), (6601, 3059357), (11753, 1718269), (20951, 963907), (41909, 481873), (46207, 437051), (68839, 293363), (82271, 245467), (137701, 146657)]