20984464

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{449}}^1$

素因数の和:607

約数の個数: 40

約数和(自身を含む): 42854400

約数和(自身を除く): 21869936

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 127, 184, 254, 368, 449, 508, 898, 1016, 1796, 2032, 2921, 3592, 5842, 7184, 10327, 11684, 20654, 23368, 41308, 46736, 57023, 82616, 114046, 165232, 228092, 456184, 912368, 1311529, 2623058, 5246116, 10492232, 20984464]

約数ペア:

[(1, 20984464), (2, 10492232), (4, 5246116), (8, 2623058), (16, 1311529), (23, 912368), (46, 456184), (92, 228092), (127, 165232), (184, 114046), (254, 82616), (368, 57023), (449, 46736), (508, 41308), (898, 23368), (1016, 20654), (1796, 11684), (2032, 10327), (2921, 7184), (3592, 5842)]