20289912

素因数分解:

$2^3\times 3^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{313}}^1$

素因数の和:432

約数の個数: 64

約数和(自身を含む): 52978080

約数和(自身を除く): 32688168

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 37, 73, 74, 111, 146, 148, 219, 222, 292, 296, 313, 438, 444, 584, 626, 876, 888, 939, 1252, 1752, 1878, 2504, 2701, 3756, 5402, 7512, 8103, 10804, 11581, 16206, 21608, 22849, 23162, 32412, 34743, 45698, 46324, 64824, 68547, 69486, 91396, 92648, 137094, 138972, 182792, 274188, 277944, 548376, 845413, 1690826, 2536239, 3381652, 5072478, 6763304, 10144956, 20289912]

約数ペア:

[(1, 20289912), (2, 10144956), (3, 6763304), (4, 5072478), (6, 3381652), (8, 2536239), (12, 1690826), (24, 845413), (37, 548376), (73, 277944), (74, 274188), (111, 182792), (146, 138972), (148, 137094), (219, 92648), (222, 91396), (292, 69486), (296, 68547), (313, 64824), (438, 46324), (444, 45698), (584, 34743), (626, 32412), (876, 23162), (888, 22849), (939, 21608), (1252, 16206), (1752, 11581), (1878, 10804), (2504, 8103), (2701, 7512), (3756, 5402)]