20162770820

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{283}}^1\times {\mathrm{48799}}^1$

素因数の和:49164

約数の個数: 48

約数和(自身を含む): 43074393600

約数和(自身を除く): 22911622780

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 283, 292, 365, 566, 730, 1132, 1415, 1460, 2830, 5660, 20659, 41318, 48799, 82636, 97598, 103295, 195196, 206590, 243995, 413180, 487990, 975980, 3562327, 7124654, 13810117, 14249308, 17811635, 27620234, 35623270, 55240468, 69050585, 71246540, 138101170, 276202340, 1008138541, 2016277082, 4032554164, 5040692705, 10081385410, 20162770820]

約数ペア:

[(1, 20162770820), (2, 10081385410), (4, 5040692705), (5, 4032554164), (10, 2016277082), (20, 1008138541), (73, 276202340), (146, 138101170), (283, 71246540), (292, 69050585), (365, 55240468), (566, 35623270), (730, 27620234), (1132, 17811635), (1415, 14249308), (1460, 13810117), (2830, 7124654), (5660, 3562327), (20659, 975980), (41318, 487990), (48799, 413180), (82636, 243995), (97598, 206590), (103295, 195196)]