20178018198

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{211}}^1\times {\mathrm{408677}}^1$

素因数の和:408909

約数の個数: 48

約数和(自身を含む): 47305295856

約数和(自身を除く): 27127277658

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 211, 234, 422, 633, 1266, 1899, 2743, 3798, 5486, 8229, 16458, 24687, 49374, 408677, 817354, 1226031, 2452062, 3678093, 5312801, 7356186, 10625602, 15938403, 31876806, 47815209, 86230847, 95630418, 172461694, 258692541, 517385082, 776077623, 1121001011, 1552155246, 2242002022, 3363003033, 6726006066, 10089009099, 20178018198]

約数ペア:

[(1, 20178018198), (2, 10089009099), (3, 6726006066), (6, 3363003033), (9, 2242002022), (13, 1552155246), (18, 1121001011), (26, 776077623), (39, 517385082), (78, 258692541), (117, 172461694), (211, 95630418), (234, 86230847), (422, 47815209), (633, 31876806), (1266, 15938403), (1899, 10625602), (2743, 7356186), (3798, 5312801), (5486, 3678093), (8229, 2452062), (16458, 1226031), (24687, 817354), (49374, 408677)]