20308770

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{9811}}^1$

素因数の和:9847

約数の個数: 48

約数和(自身を含む): 55104192

約数和(自身を除く): 34795422

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 23, 30, 45, 46, 69, 90, 115, 138, 207, 230, 345, 414, 690, 1035, 2070, 9811, 19622, 29433, 49055, 58866, 88299, 98110, 147165, 176598, 225653, 294330, 441495, 451306, 676959, 882990, 1128265, 1353918, 2030877, 2256530, 3384795, 4061754, 6769590, 10154385, 20308770]

約数ペア:

[(1, 20308770), (2, 10154385), (3, 6769590), (5, 4061754), (6, 3384795), (9, 2256530), (10, 2030877), (15, 1353918), (18, 1128265), (23, 882990), (30, 676959), (45, 451306), (46, 441495), (69, 294330), (90, 225653), (115, 176598), (138, 147165), (207, 98110), (230, 88299), (345, 58866), (414, 49055), (690, 29433), (1035, 19622), (2070, 9811)]