20653722

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{461}}^1$

素因数の和:619

約数の個数: 48

約数和(自身を含む): 47567520

約数和(自身を除く): 26913798

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 57, 114, 131, 171, 262, 342, 393, 461, 786, 922, 1179, 1383, 2358, 2489, 2766, 4149, 4978, 7467, 8298, 8759, 14934, 17518, 22401, 26277, 44802, 52554, 60391, 78831, 120782, 157662, 181173, 362346, 543519, 1087038, 1147429, 2294858, 3442287, 6884574, 10326861, 20653722]

約数ペア:

[(1, 20653722), (2, 10326861), (3, 6884574), (6, 3442287), (9, 2294858), (18, 1147429), (19, 1087038), (38, 543519), (57, 362346), (114, 181173), (131, 157662), (171, 120782), (262, 78831), (342, 60391), (393, 52554), (461, 44802), (786, 26277), (922, 22401), (1179, 17518), (1383, 14934), (2358, 8759), (2489, 8298), (2766, 7467), (4149, 4978)]