20090392

素因数分解:

$2^3\times 7^2\times {\mathrm{53}}^1\times {\mathrm{967}}^1$

素因数の和:1040

約数の個数: 48

約数和(自身を含む): 44692560

約数和(自身を除く): 24602168

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 53, 56, 98, 106, 196, 212, 371, 392, 424, 742, 967, 1484, 1934, 2597, 2968, 3868, 5194, 6769, 7736, 10388, 13538, 20776, 27076, 47383, 51251, 54152, 94766, 102502, 189532, 205004, 358757, 379064, 410008, 717514, 1435028, 2511299, 2870056, 5022598, 10045196, 20090392]

約数ペア:

[(1, 20090392), (2, 10045196), (4, 5022598), (7, 2870056), (8, 2511299), (14, 1435028), (28, 717514), (49, 410008), (53, 379064), (56, 358757), (98, 205004), (106, 189532), (196, 102502), (212, 94766), (371, 54152), (392, 51251), (424, 47383), (742, 27076), (967, 20776), (1484, 13538), (1934, 10388), (2597, 7736), (2968, 6769), (3868, 5194)]