20899962

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{2657}}^1$

素因数の和:2707

約数の個数: 48

約数和(自身を含む): 49757760

約数和(自身を除く): 28857798

約数列:

[1, 2, 3, 6, 9, 18, 19, 23, 38, 46, 57, 69, 114, 138, 171, 207, 342, 414, 437, 874, 1311, 2622, 2657, 3933, 5314, 7866, 7971, 15942, 23913, 47826, 50483, 61111, 100966, 122222, 151449, 183333, 302898, 366666, 454347, 549999, 908694, 1099998, 1161109, 2322218, 3483327, 6966654, 10449981, 20899962]

約数ペア:

[(1, 20899962), (2, 10449981), (3, 6966654), (6, 3483327), (9, 2322218), (18, 1161109), (19, 1099998), (23, 908694), (38, 549999), (46, 454347), (57, 366666), (69, 302898), (114, 183333), (138, 151449), (171, 122222), (207, 100966), (342, 61111), (414, 50483), (437, 47826), (874, 23913), (1311, 15942), (2622, 7971), (2657, 7866), (3933, 5314)]