20331770

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{811}}^1$

素因数の和:950

約数の個数: 32

約数和(自身を含む): 38586240

約数和(自身を除く): 18254470

約数列:

[1, 2, 5, 10, 23, 46, 109, 115, 218, 230, 545, 811, 1090, 1622, 2507, 4055, 5014, 8110, 12535, 18653, 25070, 37306, 88399, 93265, 176798, 186530, 441995, 883990, 2033177, 4066354, 10165885, 20331770]

約数ペア:

[(1, 20331770), (2, 10165885), (5, 4066354), (10, 2033177), (23, 883990), (46, 441995), (109, 186530), (115, 176798), (218, 93265), (230, 88399), (545, 37306), (811, 25070), (1090, 18653), (1622, 12535), (2507, 8110), (4055, 5014)]