220354060

素因数分解:

$2^2\times 5^1\times {\mathrm{1597}}^1\times {\mathrm{6899}}^1$

素因数の和:8505

約数の個数: 24

約数和(自身を含む): 463100400

約数和(自身を除く): 242746340

約数列:

[1, 2, 4, 5, 10, 20, 1597, 3194, 6388, 6899, 7985, 13798, 15970, 27596, 31940, 34495, 68990, 137980, 11017703, 22035406, 44070812, 55088515, 110177030, 220354060]

約数ペア:

[(1, 220354060), (2, 110177030), (4, 55088515), (5, 44070812), (10, 22035406), (20, 11017703), (1597, 137980), (3194, 68990), (6388, 34495), (6899, 31940), (7985, 27596), (13798, 15970)]