20597148

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{4001}}^1$

素因数の和:4035

約数の個数: 72

約数和(自身を含む): 61182576

約数和(自身を除く): 40585428

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 13, 18, 22, 26, 33, 36, 39, 44, 52, 66, 78, 99, 117, 132, 143, 156, 198, 234, 286, 396, 429, 468, 572, 858, 1287, 1716, 2574, 4001, 5148, 8002, 12003, 16004, 24006, 36009, 44011, 48012, 52013, 72018, 88022, 104026, 132033, 144036, 156039, 176044, 208052, 264066, 312078, 396099, 468117, 528132, 572143, 624156, 792198, 936234, 1144286, 1584396, 1716429, 1872468, 2288572, 3432858, 5149287, 6865716, 10298574, 20597148]

約数ペア:

[(1, 20597148), (2, 10298574), (3, 6865716), (4, 5149287), (6, 3432858), (9, 2288572), (11, 1872468), (12, 1716429), (13, 1584396), (18, 1144286), (22, 936234), (26, 792198), (33, 624156), (36, 572143), (39, 528132), (44, 468117), (52, 396099), (66, 312078), (78, 264066), (99, 208052), (117, 176044), (132, 156039), (143, 144036), (156, 132033), (198, 104026), (234, 88022), (286, 72018), (396, 52013), (429, 48012), (468, 44011), (572, 36009), (858, 24006), (1287, 16004), (1716, 12003), (2574, 8002), (4001, 5148)]