20453690

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{1297}}^1$

素因数の和:1406

約数の個数: 32

約数和(自身を含む): 39251520

約数和(自身を除く): 18797830

約数列:

[1, 2, 5, 10, 19, 38, 83, 95, 166, 190, 415, 830, 1297, 1577, 2594, 3154, 6485, 7885, 12970, 15770, 24643, 49286, 107651, 123215, 215302, 246430, 538255, 1076510, 2045369, 4090738, 10226845, 20453690]

約数ペア:

[(1, 20453690), (2, 10226845), (5, 4090738), (10, 2045369), (19, 1076510), (38, 538255), (83, 246430), (95, 215302), (166, 123215), (190, 107651), (415, 49286), (830, 24643), (1297, 15770), (1577, 12970), (2594, 7885), (3154, 6485)]