20597826

素因数分解:

$2^1\times 3^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1$

素因数の和:187

約数の個数: 64

約数和(自身を含む): 45351936

約数和(自身を除く): 24754110

約数列:

[1, 2, 3, 6, 31, 37, 41, 62, 73, 74, 82, 93, 111, 123, 146, 186, 219, 222, 246, 438, 1147, 1271, 1517, 2263, 2294, 2542, 2701, 2993, 3034, 3441, 3813, 4526, 4551, 5402, 5986, 6789, 6882, 7626, 8103, 8979, 9102, 13578, 16206, 17958, 47027, 83731, 92783, 94054, 110741, 141081, 167462, 185566, 221482, 251193, 278349, 282162, 332223, 502386, 556698, 664446, 3432971, 6865942, 10298913, 20597826]

約数ペア:

[(1, 20597826), (2, 10298913), (3, 6865942), (6, 3432971), (31, 664446), (37, 556698), (41, 502386), (62, 332223), (73, 282162), (74, 278349), (82, 251193), (93, 221482), (111, 185566), (123, 167462), (146, 141081), (186, 110741), (219, 94054), (222, 92783), (246, 83731), (438, 47027), (1147, 17958), (1271, 16206), (1517, 13578), (2263, 9102), (2294, 8979), (2542, 8103), (2701, 7626), (2993, 6882), (3034, 6789), (3441, 5986), (3813, 5402), (4526, 4551)]