20022957

素因数分解:

$3^5\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{131}}^1$

素因数の和:200

約数の個数: 48

約数和(自身を含む): 32864832

約数和(自身を除く): 12841875

約数列:

[1, 3, 9, 17, 27, 37, 51, 81, 111, 131, 153, 243, 333, 393, 459, 629, 999, 1179, 1377, 1887, 2227, 2997, 3537, 4131, 4847, 5661, 6681, 8991, 10611, 14541, 16983, 20043, 31833, 43623, 50949, 60129, 82399, 130869, 152847, 180387, 247197, 392607, 541161, 741591, 1177821, 2224773, 6674319, 20022957]

約数ペア:

[(1, 20022957), (3, 6674319), (9, 2224773), (17, 1177821), (27, 741591), (37, 541161), (51, 392607), (81, 247197), (111, 180387), (131, 152847), (153, 130869), (243, 82399), (333, 60129), (393, 50949), (459, 43623), (629, 31833), (999, 20043), (1179, 16983), (1377, 14541), (1887, 10611), (2227, 8991), (2997, 6681), (3537, 5661), (4131, 4847)]