20165628

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{431}}^1\times {\mathrm{557}}^1$

素因数の和:1002

約数の個数: 48

約数和(自身を含む): 53996544

約数和(自身を除く): 33830916

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 431, 557, 862, 1114, 1293, 1671, 1724, 2228, 2586, 3017, 3342, 3899, 5172, 6034, 6684, 7798, 9051, 11697, 12068, 15596, 18102, 23394, 36204, 46788, 240067, 480134, 720201, 960268, 1440402, 1680469, 2880804, 3360938, 5041407, 6721876, 10082814, 20165628]

約数ペア:

[(1, 20165628), (2, 10082814), (3, 6721876), (4, 5041407), (6, 3360938), (7, 2880804), (12, 1680469), (14, 1440402), (21, 960268), (28, 720201), (42, 480134), (84, 240067), (431, 46788), (557, 36204), (862, 23394), (1114, 18102), (1293, 15596), (1671, 12068), (1724, 11697), (2228, 9051), (2586, 7798), (3017, 6684), (3342, 6034), (3899, 5172)]