20029548

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{409}}^1$

素因数の和:487

約数の個数: 96

約数和(自身を含む): 59512320

約数和(自身を除く): 39482772

約数列:

[1, 2, 3, 4, 6, 7, 11, 12, 14, 21, 22, 28, 33, 42, 44, 53, 66, 77, 84, 106, 132, 154, 159, 212, 231, 308, 318, 371, 409, 462, 583, 636, 742, 818, 924, 1113, 1166, 1227, 1484, 1636, 1749, 2226, 2332, 2454, 2863, 3498, 4081, 4452, 4499, 4908, 5726, 6996, 8162, 8589, 8998, 11452, 12243, 13497, 16324, 17178, 17996, 21677, 24486, 26994, 31493, 34356, 43354, 48972, 53988, 62986, 65031, 86708, 94479, 125972, 130062, 151739, 188958, 238447, 260124, 303478, 377916, 455217, 476894, 606956, 715341, 910434, 953788, 1430682, 1669129, 1820868, 2861364, 3338258, 5007387, 6676516, 10014774, 20029548]

約数ペア:

[(1, 20029548), (2, 10014774), (3, 6676516), (4, 5007387), (6, 3338258), (7, 2861364), (11, 1820868), (12, 1669129), (14, 1430682), (21, 953788), (22, 910434), (28, 715341), (33, 606956), (42, 476894), (44, 455217), (53, 377916), (66, 303478), (77, 260124), (84, 238447), (106, 188958), (132, 151739), (154, 130062), (159, 125972), (212, 94479), (231, 86708), (308, 65031), (318, 62986), (371, 53988), (409, 48972), (462, 43354), (583, 34356), (636, 31493), (742, 26994), (818, 24486), (924, 21677), (1113, 17996), (1166, 17178), (1227, 16324), (1484, 13497), (1636, 12243), (1749, 11452), (2226, 8998), (2332, 8589), (2454, 8162), (2863, 6996), (3498, 5726), (4081, 4908), (4452, 4499)]